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Subject: Environment

  • Planned sand mining

     

    sand miningContext

    • From flora and fauna to human residents, no one has been left untouched due to the wanton extraction of sand mining from Yamuna River.

    What is sand?

    • Sand is a granular material made up of finely divided rock and mineral fragments. According to The Mines and Minerals (Development and Regulations) Act of 1957, sand is classified as a “minor mineral”.

    What is Sand mining?

    • Sand mining is the extraction of sand, mainly through an open pit but sometimes mined from beaches and inland dunes or dredged from ocean and river beds. Sand is often used in manufacturing, for example as an abrasive or in concrete.

    Sand Mining overview

    • Least regulated: Sand and gravel are the second largest natural resources extracted and traded by volume after water, but among the least regulated.
    • Uneven distribution: Sand is created by slow geological processes, and its distribution is not even.
    • Desert sand: Available in plenty, is not suited for construction use because it is wind-smoothed, and therefore non-adherent.
    • Environmental impact: While 85% to 90% of global sand demand is met from quarries, and sand and gravel pits, the 10% to 15% extracted from rivers and sea shores is a severe concern due the environmental and social impacts.

    sand miningConcerns of excessive mining

    • Deteriorating river banks: Their extraction often results in river and coastal erosion and threats to freshwater and marine fisheries and aquatic ecosystems, instability of river banks leading to increased flooding, and lowering of ground water levels.
    • Critical hotspot: The report notes that China and India head the list of critical hotspots for sand extraction impacts in rivers, lakes and on coastlines.
    • Broken replenishment: system exacerbates pressures on beaches already threatened by sea level rise and intensity of storm-waves induced by climate change, as well as coastal developments.
    • Aesthetic sense is reduced: There are also indirect consequences, like loss of local livelihoods an ironic example is that construction in tourist destinations can lead to depletion of natural sand in the area, thereby making those very places unattractive and safety risks for workers where the industry is not regulated.
    • No comprehensive assessment: Despite this, there is no comprehensive assessment available to evaluate the scale of sand mining in India.
    • Damage to the environment: Regional studies such as those by the Centre for Science and Environment of the Yamuna riverbed in Uttar Pradesh have observed that increasing demand for soil has severely affected soil formation and the soil holding ability of the land, leading to a loss in marine life, an increase in flood frequency, droughts, and also degradation of water quality.
    • Loss to exchequer: It is not just damage to the environment. Illegal mining causes copious losses to the state exchequer.

    Innovative use of technology

    State governments such as Gujarat have employed satellite imagery to monitor the volume of sand extraction and transportation from the riverbeds.

    sand miningSustainable Sand and Minor Mineral Mining – Guidelines

    • Where to mine and where to prohibit mining: District Survey Report for each district in the country, focusing on the river as a single ecological system. ISRO, remote sensing data, and ground truthing are all used.
    • Sustainable mining: It involves extracting only the amount of material that is deposited each year.
    • District authorities’ participation in the process: The District Collector chairs the District Environment Impact Assessment Authority (DEIAA). The District Collector will be assisted by the District Level Expert Appraisal Committee (DEAC), which is led by the Executive Engineer (Irrigation Department) and is tasked with granting environmental clearance for up to 5 hectares of mine lease area for minor minerals, primarily sand.

    Conclusion

    • Protecting sand mineral requires investment in production and consumption measurement and also monitoring and planning tools. To this end, technology has to be used to provide a sustainable solution.

    Mains question 

    Q. A growing global population increasingly living in cities has led to a spiralling rise in the extraction of sand and aggregates, with serious environmental, political and social consequences. Examine.

     

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  • Abnormal’ La Nina conditions impacting India’s monsoon

    In what may be termed as an uncommon ocean phenomenon, the prevailing La Nina conditions over the equatorial Pacific Ocean have entered the third consecutive year.

    What is the news?

    • The current La Nina phase has been prevailing since September 2020.
    • Since the 1950s, La Nina lasting for more than two years has been recorded only on six instances (see graph below), data by the India Meteorological Department (IMD) stated.
    • It confirmed that India’s La Nina conditions are here to stay till the end of 2022.

    What is El Nino and La Nina?

    • While El Nino (Spanish for ‘little boy’), the more common expression, is the abnormal surface warming observed along the eastern and central regions of the Pacific Ocean (the region between Peru and Papua New Guinea).
    • The La Nina (Spanish for ‘little girl’) is an abnormal cooling of these surface waters.
    • Together, the El Nino (Warm Phase) and La Nina (Cool Phase) phenomena are termed as El Nino Southern Oscillation (ENSO).
    • These are large-scale ocean phenomena that influence the global weather — winds, temperature and rainfall. They have the ability to trigger extreme weather events like droughts, floods, hot and cold conditions, globally.
    • Each cycle can last anywhere between 9 to 12 months, at times extendable to 18 months — and re-occur after every three to five years.
    • Meteorologists record the sea surface temperatures for four different regions, known as Nino regions, along this equatorial belt.
    • Depending on the temperatures, they forecast either as an El Nino, an ENSO neutral phase, or a La Nina.

    Why has La Nina conditions continued for 3 years?

    • It is surprising that it has continued for the last three years. It may be good for India but not for some other countries.
    • Under climate change conditions, one must expect more such instances. Climate change could be a factor driving such anomalous conditions.

    Issues with La Nina

    • La Nina years are infamous for frequent and intense hurricanes and cyclones in the Atlantic Ocean and the Bay of Bengal.
    • Chances of more cyclones are likely due to multiple aiding factors, including high relative moisture and relative low wind shear over the Bay of Bengal.

     

    Try this PYQ:

    Q. La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino?

    1. La Nina is characterized by unusually cold ocean temperature in equatorial Indian Ocean whereas El Nino is characterized by unusually warm ocean temperature in the equatorial Pacific Ocean.
    2. El Nino has an adverse effect on south-west monsoon of India, but La Nina has no effect on monsoon climate.

    Which of the statements given above is/are correct?

    (a) Only 1

    (b) Only 2

    (c) Both 1 and 2

    (d) Neither 1 nor 2

     

    [wpdiscuz-feedback id=”b6qp23xiv6″ question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

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  • Consumerism should be replaced by minimalism

    Consumerism Context

    • The COVID-19 pandemic brought shifts in consumer behaviour. The world witnessed a shrinkage of demand. But post-pandemic recovery and suppressed consumerism is now leading to ‘revenge shopping’.

    What is consumerism?

    • Consumerism is a social and economic order that encourages the acquisition of goods and services in ever-increasing amounts.

    What is minimalism?

    • Minimalism is owning fewer possessions. It is intentionally living with only the things we really need those items that support our purpose. Removing the distraction of excess possessions to focus more on those things that matter most.

    ConsumerismWhat Is Revenge Shopping?

    • Revenge shopping occurs when a customer who previously could not get access to certain goods or services for a period of time suddenly has access. It can also occur when customers have been deprived of other events or happenings.

    ConsumerismThe symptoms of excessive consumerism

    • You buy more than you planned: if you set out with a plan of what you need to purchase but consistently come back with more than you anticipated, then you’re falling in the consumerist trap.
    • You run out of storage space for your stuff: sometimes it can’t be helped if you live in a tight area or you’re disorganised. But suppose you’re in a reasonable situation and things you bring in don’t have an allocated home. In that case, you’re likely living excessively.
    • You rely too much on return policies: returning an item is useful. Particularly if you need to test a product for the intended purpose, be it sizing for clothes or a tool for a building project. However, suppose you’re depending on returns for purchases. In that instance, you’re not sure you need it, or if you can’t afford it, then you’re probably suffering from too much consumerism.
    • You routinely seek approval for your purchases: getting feedback on purchases can be reassuring, especially if you’re indecisive. Yet, there’s a difference between picking someone’s brain before buying and looking to justify your purchase after the fact. If you’re seeking post-acquisition approval, you probably don’t need the item.
    • You mistakenly buy things you already have: not much to say here. If you’re getting things only to realise you already have it, then you’re probably deep in a consumerist cycle.
    • You buy things on credit: if you’re strategic and disciplined, you can buy things on credit cards to acquire points and benefits. However, if you’re like the majority of us, then you’re vulnerable to buying things you can’t afford.
    • You constantly go over your budget: sometimes, you miss-forecast how much you need to spend each month. But if you set a realistic budget and find that you’re still going over, then you’re probably consuming excessively.
    • You regret your purchases: the most obvious sign that you have a shopping habit is you regret things you bought. Buyer’s remorse is an overwhelming feeling and one we want to avoid.

    ConsumerismNegatives of consumerism

    • Causes more pollution: Consumerism as a system can have devastating effects on the environment.
    • A major contributor to resource depletion: The second main negative of consumerism is resource depletion.  Simply put, resource depletion refers to the idea that human beings are using up the resources on the earth as an ever increasing rate such that we will ‘deplete’ or completely use up some resources.
    • Leads companies to develop low quality products: Modern companies practice a technique called ‘planned obsolescence’. In general, planned obsolescence is best understood as products that are designed to fail. Modern companies do this to encourage consumers to repurchase a product over and over again.
    • Does not necessarily lead to increased happiness beyond a certain point: The main negative aspect of consumerism is that it does not necessarily lead to higher levels of happiness for people.
    • Global inequality: The huge rise in resource consumption in wealthier countries has led to an ever widening gap between the rich and the poor. As the age old saying goes, “the rich get richer and the poor get poorer.”

    What can we do?

    • Extend the lifespan of your things: Repairing your things is not only an effective way to reduce your consumption, but it’s also beneficial to the environment.
    • Reframe shopping as a skill: When you focus on the role the thing you’re buying will play in the overall experience instead of the experience of shopping itself, you’ll be able to shift away from a consumerist mind-set.
    • Do the deathbed test: Not to get too dark, but if you were hypothetically on your deathbed today, and you were reflecting on your life, what would be your fondest memories? The quality of our lives is generally measured by moments of “that was a good time”, not “that thing I had was awesome”.
    • Borrow or rent instead of buy: A simple method for getting your consumerism under control is to rent or borrow items instead of buying them.
    • Practice minimalism: What’s the ultimate alternative to consumerism? Minimalism. A minimalist is someone who naturally rejects consumerism and sees value in having fewer things over more things. Minimalism is a powerful philosophy that impacts how you view material things, your relationships, commitments, and digital inventory.

    Conclusion:

    • The M.K. Gandhi once said: “The Earth provides-enough to satisfy everyone’s needs but not any one’s greed.” We shall find that Gandhian call to curtailment of wants is relevant in the rapidly depleting natural resources, bio-diversity and eco-system and its contemporary relevance

    Mains question

    Q. What do you understand by the term consumerism? Discuss importance of minimalism as there is rise in revenge shopping in post covid19 era.

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  • Species in news: Peninsular Rock Agama (Psammophilus dorsalis)

    A study carried out by researchers from Indian Institute of Science (IISc), Bengaluru, undertook to characterise urbanisation in the region and also to understand where the rock agama reside in and around Bengaluru specifically.

    Why in news?

    • The study examined several environmental factors that could affect the presence of the lizard and revealed that they are found mainly in rocky places and warm spots.
    • Thus, the inference is that conservation efforts must point towards retaining rocky patches even while reviving landscapes by planting trees.

    Peninsular Rock Agama

    • The Peninsular Rock Agama (Psammophilus dorsalis) is a type of garden lizard has a strong presence in southern India.
    • This lizard is a large animal, strikingly coloured in orange and black.
    • They do not generate their own body heat, so they need to seek warmth from external sources like a warm rock or a sunny spot on the wall.
    • They are important in ecology from different aspects — they can indicate which parts of the city are warming, and their numbers show how the food web is changing.
    • Habitat loss and other such features of urbanisation have affected the presence of the animal in urban centres.

    Why study them?

    • Insects are critical components of a healthy ecosystem as they provide so many services, including pollination.
    • So, while rock agamas are interesting in themselves, they are also a good model system to understand other aspects of the ecosystem.
    • In cities such as Bengaluru, there is a lot of flora and fauna that is rapidly disappearing.
    • The rock agama is one such species which is dependent on rocky scrub habitats which are being converted into buildings and plantations.

     

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  • Forest rights act

    forest right actContext

    • There is a surge in demand by forest communities to not only access the resources of their habitat, but also to establish their ownership over forests as forest rights act in not meeting its objective.

    What is the news?

    • Residents of 18 villages in Chhattisgarh’s Udanti Sitanadi Tiger Reserve blocked the busy National Highway 130C.

    What tribal people say?

    • “We need forest resources for survival. Being a tiger reserve, we already lead a life with many restrictions. There is no power supply, access to grazing lands is non-existent and we cannot undertake construction works,” says Arjun Nayak of Nagesh, one of the 18 villages in Gariaband district.

    forest right actWhat is forest rights act 2006?

    • The Forest Rights Act (FRA), 2006 recognizes the rights of the forest dwelling tribal communities and other traditional forest dwellers to forest resources, on which these communities were dependent for a variety of needs, including livelihood, habitation and other socio-cultural needs.
    • It aimed to protect the marginalised socio-economic class of citizens and balance the right to environment with their right to life and livelihood.

    forest right actWhat are individual rights under FRA act?

    • The Act encompasses Rights of Self-cultivation and Habitationwhich are usually regarded as Individual rights.

    What are community forest rights under FRA act?

    • Community Rights as Grazing, Fishing and access to Water bodies in forests, Habitat Rights for PVTGs, Traditional Seasonal Resource access of Nomadic and Pastoral community, access to biodiversity, community right to intellectual property and traditional knowledge, recognition of traditional customary rights and right to protect, regenerate or conserve or manage any community forest resource for sustainable use.

    Case study / Value addition

    Chargaon village, Dhamtari district, Chhattisgarh

    Migration has drastically reduced due to economic benefits after getting CFRR. Success in improving quality of tendu leaves with better management practices, increasing income.

    forest right actIssues with Forest rights act

    • Non responsive states: The forest rights claims of these tribes and forest-dwellers are mostly rejected by the States.
    • Improper claims: Being poor and illiterate, living in remote areas, they do not know the appropriate procedure for filing claims.
    • Low awareness: The gram sabhas, which initiate the verification of their claims, are low on awareness of how to deal with them.

    forest right actWhy are forest rights important for tribals?

    • Justice: Aimed at undoing the “historic injustice” meted out to forest-dependent communities due to curtailment of their customary rights over forests, the FRA came into force in 2008.
    • Livelihood: It is important as it recognises the community’s right to use, manage and conserve forest resources, and to legally hold forest land that these communities have used for cultivation and residence.
    • Conservation: It also underlines the integral role that forest dwellers play in the sustainability of forests and in the conservation of biodiversity.

    Conclusion

    Despite the contentious and debatable nature of this law, the importance and necessity of the FRA, 2006 can not be negated completely. The law assumes even more significant importance when the country is a developing economy and is full-fledged following the path of capitalism, thus making it even more substantial to provide a redressal mechanism for vulnerable and marginalised communities and groups, such as the Adivasis and the other similar tribes, from the necessary evil of development and infrastructural growth while also safeguarding their traditions, heritage and identity that forms an important part of the nation’s cultural diversity as well.

    Mains question

    Q. There is a surge in demand by forest communities to not only access the resources of their habitat, but also to establish their ownership over forests. In this context analyse the issues with working of FRA 2006.

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  • Construction and demolition waste

    Construction and demolitionContext

    • Huge amounts of construction and demolition waste in a residential area is hazardous for human health and warrants immediate disposal.

    Why in news?

    • The Twin towers in Noida, Uttar Pradesh were demolished by controlled implosion. Their being located in a residential neighbourhood of Noida makes it even more essential to introduce interventions to mitigate pollution and waste, post-demolition.

    What is construction and demolition waste?

    • Construction and demolition wastes (CDW) are the status of building materials after the end life of buildings. CDW could be concrete, steel, wood products, asphalt shingles, and bricks from building.

    What is waste management?

    • Waste management refers to the activities and actions required to manage waste from its start till its disposal. This includes collection, transport, treatment and disposal of waste together with monitoring and regulation.

    Construction and demolitionWhy they should be managed properly?

    • Waste management and diligent planning becomes critical for regulation of humongous solid waste being generated every day. With growing urbanization and rise of smart cities on the offing the issue of solid waste management becomes even more imperative.

    Data to remember

    62 million tons of waste is generated annually in the country at present.

    India manages to recover and recycle only about 1 per cent of its construction and demolition (C&D) waste, says new CSE analysis.

    Construction and demolitionWhat are the impacts of construction waste on the environment and human health?

    • Air: Disassembling and shredding of construction waste generate dust or large particulates into the surroundings and affects the respiratory health of waste management workers and others.
    • Water: (Landfills are not properly designed to hold construction waste + Illegal dump sites + Improper recycling & disposal of e-waste) = compounds leach into the ground = Groundwater gets toxified due to heavy metals from demolition waste.
    • Soil: Soil is contaminated by direct contact with contaminants from construction waste or its by-products from recycling & disposal + indirectly through irrigation. Soils become toxic when substances such as lead, mercury, cadmium, arsenic, and polychlorinated biphenyl’s (PCBs) are deposited in landfills. Contaminated soils have bad impacts on microbes and plants => the pollutants reach higher animals or humans through the food chain.

    Construction And Demolition Waste Management Rules, 2016 – Salient Features

    1.Duties of waste Generators

    • Construction and demolition waste must be separated by each waste generator, and it must be deposited at a collection site or given to authorised processing companies.
    • Should take care to prevent any trash or depositing that could block vehicles, the general public, or drains.
    • Before beginning building, demolition, or remodelling work, large generators (those that create more than 20 tonnes or more in a single day or 300 tonnes per project in a month) must submit a waste management plan and obtain the necessary approvals from the local authorities.
    • Large generators must have an environmental management strategy to address any environmental problems resulting from building and demolition work, storage, transportation, and waste disposal and recycling.
    • The waste from large generators must be divided into four streams, including concrete, soil, steel, wood, and plastics, as well as bricks and mortar.
    • The appropriate fees for collection, transportation, processing, and disposal must be paid by large generators according to the notices issued by the competent authorities.

    2.Duties of Service providers and Contractors

    • Within six months of the rules’ notification, the service providers are required to develop a thorough waste management plan for the waste produced under their control.
    • They must also remove all construction and demolition waste independently or through a third party after consulting with the relevant local authority.

    3.Duties of State Government and Local Authorities

    • Within one and a half years after the date of the final notice of these regulations, the responsible State Government department dealing with land should offer suitable locations for the establishment of the storage, processing, and recycling facilities for construction and demolition waste.
    • In order to prevent long-term disruption of the processing plant, the Town and Country Planning Department must include the location in the authorised land use plan.
    • In municipal and government contracts, materials created from building and demolition waste must be purchased and used to the tune of 10–20%.
    • The local authority must install suitable bins for garbage collection, removal at regular intervals, and transportation to suitable facilities for processing and disposal.
    • Large generators of construction and demolition waste must submit a comprehensive plan or undertaking before Local Authorities may approve the waste management plan;
    • Seek help from the relevant authorities for the safe disposal of any nuclear waste or building and demolition debris contaminated with hazardous or toxic materials from industry;
    • Local Authorities must provide the generator with the necessary incentives for salvaging, processing, and/or recycling, preferably on-site;
    • Million plus cities (based on the 2011 Indian census) must commission the processing and disposal facility within 1.5 years of the date of final announcement of these regulations.
    • Local Authorities will build a database and update it once a year.

    4.Duties of Central Pollution Control Board, State Pollution Control Board or Pollution Control Committee

    • Construction and demolition waste management operating rules must be created by the Central Pollution Control Board.
    • The construction and demolition waste processing plant will receive authorization from SPCB.
    • The involved local bodies will keep an eye on how these guidelines are being applied.
    • Send an annual report to the State Government and the Central Pollution Control Board.

    Construction and Demolition Waste Management – Concerns

    • In spite of the aforementioned, industry and state pollution control boards operate poorly.
    • In India, between 25 and 30 million tonnes of C&D waste are produced each year, but barely 5 percent of it gets treated.
    • It is noteworthy that dirt, sand, and gravel make up 36% of C&D waste. This waste affects soil fertility and poses a threat to public health in cities.
    • The almost total lack of recycling also violates India’s obligations to reduce carbon emissions.
    • The need to recycle C&D waste is critical.
    • This is due to the fact that widespread sand mining is already eroding river beds and ultimately aggravating flood damage.

    Some positive suggestions

    • Need robust estimation and characterisation of C&D waste to design systems for material recovery: Cities need comprehensive assessment and quantification of C&D waste generation, to plan adequate infrastructure and systems for treatment and management.
    • Need of documentation: Cities must create easily accessible databases of buildings and their physical and legal attributes. Construction/demolition permits need to be inventorised with associated waste management plans attached.
    • Preparing for waste management from new generation material: Expanded polystyrene insulation (EPS), Styrofoam, plastic spacers, bituminous material and asbestos embedded within new wall assemblies are a recycling challenge. This needs special attention.
    • Infrastructure projects need to set up their own recycling facilities: DMRC has done so. Concrete can be easily recycled. Butt excavated waste is a challenge. Other infrastructure projects like highway and roadwork find recycling of bituminous material waste challenging. Globally, proactive prevention of waste is undertaken through modification of existing on site construction practices etc.
    • Responsibility of the construction Industry: The current system provides no incentive to the construction agencies for managing their own waste via waste reduction and on-site reuse and recycling. The Rules have created a push by creating a legal requirement for waste management but the financial drivers are missing. This requires fiscal strategy.

    Conclusion

    • Environmental and material challenges associated with the Construction and Demolition waste problem need urgent and immediate attention nation-wide to recover material, protect environment, and for clean air.

    Mains question

    Q. India manages to recover and recycle only about 1 per cent of its construction and demolition waste analyse the constraints in it. Also suggest some positive measures to address this challenge.

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  • Centre raises alarm over Undemarcated Protected Forests in Chhattisgarh

    The Union Ministry of Environment, Forest and Climate Change has objected to the transfer of thousands of hectares of land without following due process by Chhattisgarh from its Forest to the Revenue Department for setting up industries and for building road, rail, and other infrastructure.

    What is the news?

    • The Union Environment Ministry has warned that the land in question is “undemarcated protected forests”, which cannot be used for non-forest purposes without clearance under the Forest Conservation (FC) Act, 1980.

    ‘Types of Forests’ in Law

    • Broadly, state Forest Departments have jurisdiction over two types of forests notified under the Indian Forest (IF) Act, 1927:
    1. Reserve Forests (RF): where no rights are allowed unless specified and
    2. Protected Forests (PF): where no rights are barred unless specified
    • Certain forests, such as village or nagarpalika forests, are managed by state Revenue Departments.
    • The FC Act, 1980, applies to all kinds of forests, whether under the control of the Forest or the Revenue Department.
    • It requires statutory clearance before forests can be used for any non-forest purpose such as industry, mining, or construction.
    • In 1976, forests were included in List III (Concurrent List) under the Seventh Schedule of the Constitution.

    Chhattisgarh case

    • The recorded forest area in Chhattisgarh covers 44.21% of its geography.
    • The state government says it is constrained by the limited availability of land, particularly in the tribal regions, for development works.
    • Therefore, in May 2021, it sought a field survey to identify non-forest land — parcels smaller than 10 hectares with less than 200 trees per hectare.

    Orange, a grey area

    • It sought that the forests had been included by mistake in Orange Areas under the Forest Department.
    • This year, it announced that over 300 sq km of “Orange” area in the Bastar region had been handed over to the Revenue Department.
    • Under the zamindari system, villagers used local malguzari (livelihood concessions) forests for firewood, grazing, etc.
    • When zamindari was abolished in 1951, malguzari forests came under the Revenue Department.
    • In 1958, the government of undivided Madhya Pradesh notified all these areas as Protected Forest (PFs) under the Forest Department.
    • Through the 1960s, ground surveys and demarcations of these PFs continued — either to form blocks of suitable patches to be declared as Reserve Forests, or to denotify and return to the Revenue Department.
    • For this purpose, Madhya Pradesh amended the IF Act, 1927, in 1965 — when forests figured in the State List — to allow denotification of PFs.
    • The areas yet to be surveyed — undemarcated PFs — were marked in orange on the map.

    Policy jam

    • Since 2003, a case has been pending in the Supreme Court on rationalising these orange areas that have remained a bone of contention between the two Departments.
    • The transfer of PFs to the Revenue Department continued until 1976, when reports of illicit felling in Revenue areas prompted Madhya Pradesh to seek a fresh survey to shift quality forest patches.
    • But before this survey could be undertaken, the new government that came to power in the state in 1978 switched the focus to settling encroachments.
    • The FC Act came in 1980, and required central clearance for non-forest use of forest land.
    • This led to a situation where the rights of lakhs of villagers, including those settled by the government through pattas, remained restricted.

    After MP was split

    • Carved out of Madhya Pradesh in 2000, Chhattisgarh inherited its share of ‘orange’ areas.
    • Ranked second after Orissa in implementing the Forest Rights Act, 2006, the state has settled over 26,000 claims since 2019.
    • The logical next step, say officials who declined to be quoted, was to find land for the economic development of the tribal belt.
    • Chhattisgarh did not seek central clearance to transfer over 300 sq km to Revenue, they claim, because it did not have to.

    New definition of forests

    • In December 1996, the SC defined ‘forest’ after its dictionary meaning, irrespective of the status of the land it stands on.
    • It also defined forestland as any land thus notified on any government record irrespective of what actually stands on that land.
    • To meet this broad definition, Madhya Pradesh in 1997 framed a “practical yardstick” — an area no smaller than 10 hectares with at least 200 trees per hectare — to identify forests in Revenue areas for handing over to the Forest Department.
    • These non-forest areas, they claim, are now being identified and returned to the Revenue.

    Issues with such Un-forestation

    • The nature of vegetation changes over time.
    • After so many years, a visual survey cannot determine if a particular piece of land did not meet the definition of forest.
    • Once brought under the Forest Department, whether mistakenly or otherwise, an area gets the status of forestland as per the 1996 SC order, and hence comes under the FC Act, 1980.

    Options available for CG

    • Chhattisgarh, thanks to the 1965 amendment to the IF Act, can still denotify PFs unilaterally.
    • It may also vest management of any land with any department since the state owns all land within its boundaries.
    • But if the stated purpose is non-forest use — building industries and infrastructure — the state will anyway require central clearance under the FC Act, 1980.

    What lies ahead?

    • Clearance for non-forest use of forestland under the FC Act requires giving back twice the area for compensatory afforestation (CA) from Revenue to Forest.
    • That would defeat the very purpose of the state government’s action.
    • However, conversion of Forest to Revenue land has been exempted from CA under exceptional circumstances in the past.
    • For example, when enclaves were moved out of forests, the SC allowed those to be resettled at the edge of the forests, in the absence of suitable Revenue land, as revenue villages.
    • It will be a stretch, though, for such considerations to apply to thousands of hectares meant for industries.

     

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  • Recovery of Ozone Layer achieves significant milestone

    The concentration of ozone-depleting substances in the atmosphere has reduced to reach a significant milestone this year.

    What is Ozone and Ozone Layer?

    • An ozone molecule consists of three oxygen atoms instead of the usual two (the oxygen we breathe, O2, makes up 21% of the atmosphere).
    • It only exists in the atmosphere in trace quantities (less than 0.001%), but its effects are very important.
    • Ozone molecules are created by the interaction of ultra-violet (UV) radiation from the Sun with O2 molecules.
    • Because UV radiation is more intense at higher altitudes where the air is thinner, it is in the stratosphere where most of the ozone is produced, giving rise to what is called the ‘ozone layer’.
    • The ozone layer, containing over 90% of all atmospheric ozone, extends between about 10 and 40km altitude, peaking at about 25km in Stratosphere.

    Why need Ozone Layer?

    • The ozone layer is very important for life on Earth because it has the property of absorbing the most damaging form of UV radiation, UV-B radiation which has a wavelength of between 280 and 315 nanometres.
    • As UV radiation is absorbed by ozone in the stratosphere, it heats up the surrounding air to produce the stratospheric temperature inversion.

    What is Ozone Hole?

    • Each year for the past few decades during the Southern Hemisphere spring, chemical reactions involving chlorine and bromine cause ozone in the southern polar region to be destroyed rapidly and severely.
    • The Dobson Unit (DU) is the unit of measure for total ozone.
    • The chemicals involved ozone depletion are chlorofluorocarbons (CFCs for short), halons, and carbon tetrachloride.
    • They are used for a wide range of applications, including refrigeration, air conditioning, foam packaging, and making aerosol spray cans.
    • The ozone-depleted region is known as the “ozone hole”.

    Tropical Ozone Hole

    • According to the study, the ozone hole is located at altitudes of 10-25 km over the tropics.
    • This hole is about seven times larger than Antarctica, the study suggested.
    • It also appears across all seasons, unlike that of Antarctica, which is visible only in the spring.
    • The hole has become significant since the 1980s. But it was not discovered until this study.

    What caused an ozone hole in the tropics?

    • Studies suggested another mechanism of ozone depletion: Cosmic rays.
    • Chlorofluorocarbon’s (CFC) role in depleting the ozone layer is well-documented.
    • The tropical stratosphere recorded a low temperature of 190-200 Kelvin (K).
    • This can explain why the tropical ozone hole is constantly formed over the seasons.

    Significance of the finding

    • The tropical ozone hole, which makes up 50 percent of Earth’s surface, could cause a global concern due to the risks associated with it.
    • It is likely to cause skin cancer, cataracts and other negative effects on the health and ecosystems in tropical regions.

    Try this PYQ

    Q.Consider the following statements:

    Chlorofluorocarbons, known as ozone-depleting substances are used:

    1. In the production of plastic foams
    2. In the production of tubeless tyres
    3. In cleaning certain electronic components
    4. As pressurizing agents in aerosol cans

    Which of the statements given above is/are correct?

    (a) 1, 2 and 3 only

    (b) 4 only

    (c) 1, 3 and 4 only

    (d) 1, 2, 3 and 4

     

    [wpdiscuz-feedback id=”dl4j162prv” question=”Please leave a feedback on this” opened=”1″]Post your answers here[/wpdiscuz-feedback]

     

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  • Forest fire management for positive sustainable forest growth

    forest fireContext

    • Forest fires are becoming more common and wildfires are destroying nearly twice as much tree cover globally as they did in 2001.

    Why in news?

    • Climate change is driving more intense and widespread forest fire by fuelling more extreme heat and deepening drought, which dries out forests.

    How to define forest fire?

    • A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation starting in rural and urban areas.

    What causes forest fires?

    • Human activities: Forest fires can be caused by a number of natural causes, but officials say many major fires in India are triggered mainly by human activities.
    • Climate change: Emerging studies link climate change to rising instances of fires globally, especially the massive fires of the Amazon forests in Brazil and in Australia in the last two years. Fires of longer duration, increasing intensity, higher frequency and highly inflammable nature are all being linked to climate change.
    • Season: In India, wildfires are most commonly reported during March and April, when the ground has large quantities of dry wood, logs, dead leaves, stumps, dry grass and weeds that can make forests easily go up in flames if there is a trigger.
    • Natural reasons: Under natural circumstances, extreme heat and dryness, friction created by rubbing of branches with each other also have been known to initiate fire.

    forest fire

    Key fact

    7.4 million acres of forest are getting burnt annually now an area roughly the size of Belgium.

    What factors make forest fires a concern?

    • Carbon emission: They act as a sink, reservoir and source of carbon.
    • Livelihood loss: In India, with 1.70 lakh villages in close proximity to forests (Census 2011), the livelihood of several crores of people is dependent on fuelwood, bamboo, fodder, and small timber.
    • Destruction of animals’ habitat: Heat generated during the fire destroys animal habitats. Soil quality decreases with the alteration in their compositions.
    • Soil degradation: Soil moisture and fertility, too, is affected. Thus forests can shrink in size. The trees that survive fire often remain stunted and growth is severely affected.

    Measures to curb Forest fires

    1) National Action Plan on wild fires

    • The MoEFCC has prepared a National Action Plan on wild fire in 2018 after several rounds of consultation with all states and UTs.
    • The objective of this plan is to minimize forest fires by informing, enabling and empowering forest fringe communities and incentivizing them to work in tandem with the State Forest Departments.
    • The plan also intends to substantially reduce the vulnerability of forests across diverse forest ecosystems in the country against fire hazards, enhance capabilities of forest personnel and institutions in fighting fires and swift recovery subsequent to fire incidents.

    2) Forest Fire Prevention and Management scheme

    • The MoEFCC provides wildfire prevention and management measures under the Centrally Sponsored Forest Fire Prevention and Management (FPM) scheme.
    • The FPM is the only centrally funded program specifically dedicated to assist the states in dealing with forest fires.
    • The FPM replaced the Intensification of Forest Management Scheme (IFMS) in 2017. By revamping the IFMS, the FPM has increased the amount dedicated for forest fire work.
    • Funds allocated under the FPM are according to the 90:10 ratio of central to state funding in the Northeast and Western Himalayan regions and 60:40 ratio for all other states.
    • Nodal officers for forest fire prevention and control have been appointed in each state.

    forest fireWay forward

    • Awareness should be created among the villagers residing near the forests with respect to the long-term ill effects of forest fires.
    • Measures to prevent wildfires have to be taken before summer season when fires are prevalent.
    • Local people should be given skills to use online portals or mobile apps in order to monitor the forests for fires and inform forest authorities regarding the same.

    Mains question

    Q. Climate change is driving more intense and widespread forest fires by fueling more extreme heat and deepening drought. Why forest fires are cause of concern? Discuss our preparedness level for the same in the above context.

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  • Dam safety bill for sustainable water management

    dam safety billContext

    • Integrated risk assessment of dam safety required to prevent human-made disasters: Experts

    Why in news?

    • The recent floods in the Mahanadi basin in Odisha have brought to the fore, the faulty management of dam safety, which were built to mitigate floods and not be the cause of them.

    What is a dam?

    • A dam is a barrier that stops the flow of water and results in the creation of a reservoir. Dams are mainly built in order to produce electricity by using water. This form of electricity is known as hydroelectricity.
    • Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability.

    Key facts

    India has 5,745 large dams according to the National Register of Large Dams, 2019, prepared by the Central Water Commission. Some 5,334 of them are operational and the remaining 411 are under construction.

    What is the Dam Safety Act, 2021?

    • The Act comprehensively postulates for surveillance, inspection, operation and maintenance of dams to prevent disasters.

    Features

    • National Committee on Dam Safety (NCDS): It will be constituted and will be chaired by the chairperson, Central Water Commission. Its’ functions will include formulating policies and regulations regarding dam safety standards and prevention of dam failures, analyzing the causes of major dam failures, and suggesting changes in dam safety practices.
    • National Dam Safety Authority (NDSA): It will be headed by an officer, not below the rank of an Additional Secretary, to be appointed by the central government. The main task of this authority includes implementing the policies formulated by the NCD, resolving issues between State Dam Safety Organisations (SDSOs), or between an SDSO and any dam owner in that state, specifying regulations for inspection and investigation of dams.
    • State Dam Safety Organisation (SDSO): Its functions will be to keep perpetual surveillance, inspection, monitoring the operation and maintenance of dams, keeping a database of all dams, and recommending safety measures to owners of dams.
    • Dam Safety Unit: The owners of the specified dams are required to provide a dam safety unit in each dam. This unit will inspect the dams before and after the monsoon session, and during and after any calamity or sign of distress.
    • Emergency Action Plan: Dam owners will be required to prepare an emergency action plan, and carry out risk assessment studies for each dam at specified regular intervals.
    • Certain offences: The act provides for two types of offences – obstructing a person in the discharge of his functions, and refusing to comply with directions issued under the proposed law.

    dam safetyDam rehabilitation and improvement programme DRIP

    • Government of India, with financial assistance from the World Bank initiated Dam Rehabilitation and Improvement Project (DRIP) in April 2012 with an objective to improve the safety and operational performance of selected existing dams along with dam safety institutional strengthening with system wide management approach. It was a State Sector Scheme with Central component.

    Do you know?

    Four dams — Mullaperiyar, Parambikulam, Thunakkadavu and Peruvaripallam — located in Kerala but owned, operated and maintained by the Tamil Nadu Government.

    Conclusion

    • The bill aims to help all States and Union Territories to adopt uniform dam safety procedures which will ensure safety of dams and safeguard benefits from such dams. In order to iron out the differences and issues in the bill, central government should take the state governments into consideration and hold talks with all the stakeholders. This will go a long way in ensuring the safety of dams in India, which ranks third in the world in terms of number of large dams.

    Mains question

    Q. India, which ranks third in the world in terms of number of large dams. Ageing dams poses several challenges for India. In this context discuss the importance of dam safety bill 2021.

     

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