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GS Paper: GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

  • [pib] Leopard Population in India

    The Ministry of Environment, Forest and Climate Change has released the Status of Leopards Report.

    Confused over Leopard and Cheetah?

    The most common difference between these two animals is the patterns on their coat. At first glance, it may look like they both have spots, but in actual fact, a leopard has rosettes which are rose-like markings, and cheetahs have a solid round or oval spot shape.

    Indian Leopards

    • The Indian leopard (Panthera pardus fusca) is a leopard subspecies widely distributed on the Indian subcontinent.
    • It is one of the big cats occurring on the Indian subcontinent, apart from the Asiatic lion, Bengal tiger, snow leopard and clouded leopard.
    • It is listed as Vulnerable on the IUCN Red List because populations have declined following habitat loss and fragmentation, poaching for the illegal trade of skins and body parts.

    Leopards in India

    • India now has 12,852 leopards as compared to the previous estimate of 7910 conducted 2014.
    • More than 60% increase in population has been recorded.
    • The States of Madhya Pradesh, Karnataka and Maharashtra recorded the highest leopard estimates at 3,421, 1,783 and 1,690 respectively.
    • India’s world record tiger survey also estimated the population of leopards and the tiger range was found a home to 12,852 (12,172-13,535) leopards.

    Significance

    • The increase in Tiger, Lion & Leopards numbers over the last few years is a testimony to the conservation efforts and of the fledgeling wildlife & biodiversity of the country.

  • E20 Fuel to Cut Vehicular Emissions

    The government has proposed the adoption of E20 fuel — a blend of 20% of ethanol and gasoline — as an automobile fuel in order to reduce vehicular emissions as well as the country’s oil import bill.

    E20 Fuel

    • E20 is a blend of 20% ethanol with gasoline (petrol) and can be used as an alternative to the fuels currently available.
    • The government is looking at the adoption of mass emission standards for this fuel for transport application.
    • Additionally, it also wishes to facilitate the development of E20 compliant vehicles.
    • The government believes that the E20 blend will not only curb vehicle emissions but help reduce the country’s oil import bill.

    Ethanol – Pros and Cons

    • Ethanol is a common by-product that comes from agricultural feedstock like corn, hemp, potato, etc. It can be used as a bio-fuel in Flexi-fuel vehicles.
    • It is greener than gasoline because the corn and crop plantations absorb carbon dioxide from the atmosphere as they grow.
    • While the fuel still releases CO2 when you burn it, the net increase is comparatively lower.
    • However, ethanol is less efficient as a fuel. It has lower energy content than energy-rich gasoline and diesel.
    • The rule delivers less power when burned, which in return results in more fuel consumption and lower mileage.
    • Additionally, blends over E20 (20% ethanol) is highly corrosive for older vehicles as the alcohol can break down old rubber seals and can damage engines.

    Vehicle compatibility

    • It added the compatibility of vehicles with the percentage of ethanol in the blend would be defined by the vehicle manufacturer, which would have to be displayed on the vehicle with a sticker.
    • Ethanol is a biofuel and a common by-product of biomass left by agricultural feedstock such as corn, sugarcane, hemp, potato, etc.

  • Species in news: Himalayan trillium

    The Himalayan trillium (Trillium govanianum), a common herb of the Himalayas was declared ‘endangered’ by the International Union for Conservation of Nature (IUCN) last week.

    Try this MCQ:

    Q.Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of-

    (a) Anti-malarial drug

    (b) Bio-diesel

    (c) Pulp for paper industry

    (d) Textile fibre

    Himalayan trillium

    • In recent years, the plant has become one of the most traded commercial plants of the Himalayan region, due to its high medicinal quality.
    • It is found in temperate and sub-alpine zones of the Himalayas, at an altitude from 2,400-4,000 metres above sea level.
    • Their existence has also been traced across India, Bhutan, Nepal, China, Afghanistan and Pakistan.
    • In India, it is found in four states only- Himachal Pradesh, Jammu and Kashmir, Sikkim, and Uttarakhand.
    • Often called Nagchatri, in local areas this herb grows to a height of 15-20 cm.

    Various applications

    • It has been used in traditional medicine to cure diseases like dysentery, wounds, skin boils, inflammation, sepsis, as well as menstrual and sexual disorders.
    • Recent experiments have shown that the rhizome of the herb is a source of steroidal saponins and can be used as an anti-cancer and anti-ageing agent.
    • This increased its market value and has now become an easy target for poachers.

  • Species in news: Indian bison (Gaur)

    A gaur (Indian bison) strayed into a residential area in Pune city and allegedly died while being captured. This has depicted another ugly face of the man-animal conflicts.

    Try this PYQ:                      

    Q.Which one of the following groups of animals belongs to the category of endangered species?

    (a) Great Indian Bustard, Musk Deer, Red Panda, Asiatic Wild Ass

    (b) Kashmir Stag, Cheetah, Blue Bull, Great Indian Bustard.

    (c) Snow Leopard, Swamp Deer, Rhesus Monkey, Saras (Crane)

    (d) Lion Tailed Macaque, Blue Bull, Hanuman Langur, Cheetah

    Gaur/ Indian Bison

    • The Indian bison are also known as Gaur, is native to South and Southeast Asia and has been listed as Vulnerable on the IUCN Red List since 1986.
    • The global population has been estimated at maximum 21,000 mature individuals by 2016.
    • It declined by more than 70% during the last three generations, and is extinct in Sri Lanka and probably also in Bangladesh.
    • Populations in well-protected areas are stable and increasing.
    • The Western Ghats and their outflanking hills in southern India constitute one of the most extensive extant strongholds of gaur, in particular in the Wayanad – Nagarhole – Mudumalai – Bandipur complex.

  • Species in news: Himalayan Serow

    A Himalayan Serow has been sighted for the first time in the Himalayan cold desert region.

    Try this MCQ:

    Q.In which one of the following State, the Rupi Bhaba Wildlife Sanctuary is located?

    (a) Himachal Pradesh

    (b) Manipur

    (c) Meghalaya

    (d) Uttarakhand

    Himalayan Serow

    • Himalayan Serow resembles a cross between a goat, a donkey, a cow, and a pig.
    • They are herbivores and are typically found at altitudes between 2,000 metres and 4,000 metres (6,500 to 13,000 feet).
    • They are known to be found in eastern, central, and western Himalayas, but not in the Trans Himalayan region.
    • They are a medium-sized mammal with a large head, thick neck, short limbs, long, mule-like ears, and a coat of dark hair.
    • There are several species of Serow s, and all of them are found in Asia.

    Its’ conservation status

    • According to the IUCN, Himalayan Serow s have experienced significant declines in population size, range size and habitat in the last decade, and this is expected to continue due to intensive human impact.
    • Previously assessed as ‘near threatened’, the Himalayan Serow is now been categorised as ‘vulnerable’ in the IUCN Red List of Threatened Species.
    • It is listed under Schedule I of The Wildlife Protection Act, 1972, which provides absolute protection.

    What is so unusual this time?

    • The animal was spotted by locals and wildlife officials at a riverside rocky wall near Hurling village in Spiti, Himachal Pradesh.
    • This is the first recorded human sighting of the Serow in Himachal Pradesh.
    • Serow s are generally not found at this altitude, and never before has a Serow been seen in the Himalayan cold desert.
    • Wildlife officials believe this particular animal may have strayed into the Spiti valley from the Rupi Bhaba Wildlife Sanctuary in adjoining Kinnaur.

  • Shola Sky Islands of the Western Ghats

    Tropical montane grasslands (TMG) in the Shola Sky Islands of the Western Ghats have suffered big losses due to invasions by exotic trees.

    Try this PYQ:

    Q.In India, which type of forest among the following occupies the largest area?
    (a) Montane Wet Temperate Forest
    (b) Sub – tropical Dry Evergreen Forest
    (c) Tropical Moist Deciduous Forest
    (d) Tropical Wet Evergreen Forest

    Sky Islands

    • “Sky islands” are the tops of tall mountains that become environmentally isolated from each other even if they are close together, geographically speaking.
    • The Western Ghats are a mountain chain in southwest India home to spectacular and unique sky islands.
    • The peaks of the Western Ghats, ranging between 3,000 and 8,500 feet above sea level, host an almost unbelievable array of microclimates, looking like “patches of forests floating in a sea of grasslands.

    What are TMGs?

    • TMG are high elevation grasslands forming only 2% of all grasslands in the world.
    • Among their functions is regulating the global carbon cycle and serving as a source of water to downstream communities.
    • Researchers say grasslands do not benefit from conservation and restoration efforts afforded to tropical montane forests, possibly due to limited information.

    Treasures of Shola

    • One of the specific habitats unique to the sky islands of this area is a type of low-temperature, high-humidity tropical cloud forest full of stunted trees mixed with grasslands called the Shola.
    • The Shola forests of South derive their name from the Tamil word solai, which means a ‘tropical rain forest’.
    • Classified as ‘Southern Montane Wet Temperate Forest’ the Sholas are found in the upper reaches of the Nilgiris, Anamalais, Palni hills, Kalakadu, Mundanthurai and Kanyakumari in the states of Tamil Nadu and Kerala.
    • These forests are found sheltered in valleys with sufficient moisture and proper drainage, at an altitude of more than 1,500 metres.

    Various threats to them

    • Loss of grasslands due to invasive exotic trees is a “novel threat” through the establishment and expansion of exotic tree plantations.
    • These exotic trees include acacias, pines and eucalyptus, shrinking the range sizes of endemic species, including plants, birds, amphibians and mammals.
    • In the Western Ghats, 23% of montane grasslands were reportedly converted into invasive exotic tree cover over a period of 44 years.
    • Attempts to manage invasive exotic trees in montane grasslands incorporated approaches that include prevention and mechanical, chemical and biological control.
    • For invasive species such as Acacia mearnsii that grow rapidly and disperse seeds widely, removing mature trees is often ineffective.

  • Five years of Paris Agreement

     Climate Ambition Summit was held on the 5th anniversary of the Paris Agreement. The article takes stock of the progress made on climate action in the last 5 years.

    The Paris Agreement

    • The Paris Agreement is a legally binding international treaty on climate change. It was adopted by 196 Parties at COP 21 in Paris, on 12 December 2015 and entered into force on 4 November 2016.
    • Its goal is to limit global warming to well below 2, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.
    • To achieve this long-term temperature goal, countries aim to reach global peaking of greenhouse gas emissions as soon as possible to achieve a climate-neutral world by mid-century.
    • It is a landmark process because, for the first time, a binding agreement brings all nations into a common cause to undertake ambitious efforts to combat climate change and adapt to its effects.

    How does it function?

    • Implementation of the Paris Agreement requires economic and social transformation, based on the best available science.
    • The Agreement works on a 5- year cycle of increasingly ambitious climate action carried out by countries.
    • By 2020, countries submit their plans for climate action known as nationally determined contributions (NDCs).

    NDCs

    • In their NDCs, countries communicate actions they will take to reduce their Greenhouse Gas emissions in order to reach the goals of the Paris Agreement.
    • Countries also communicate in the NDCs actions they will take to build resilience to adapt to the impacts of rising temperatures.

    Long-Term Strategies

    • To better frame the efforts towards the long-term goal, the Paris Agreement invites countries to formulate and submit by 2020 long-term low greenhouse gas emission development strategies (LT-LEDS).
    • LT-LEDS provide the long-term horizon to the NDCs. Unlike NDCs, they are not mandatory.
    • Nevertheless, they place the NDCs into the context of countries’ long-term planning and development priorities, providing a vision and direction for future development.

    Progress made after 5 years

    • All states have submitted their national contributions to mitigate and adapt to climate change.
    • However, these contributions are radically insufficient to reach the “well below 2 degrees Celsius” limit and are even further from the “1.5 degrees Celsius” temperature limit identified in the Paris Agreement.
    • This initial shortfall was expected — the logic of the Paris Agreement relied on iterative scaling up of national targets over time to bridge the gap.

    Are countries scaling up the targets

    • Although 151 states have indicated that they will submit stronger targets before December 31, only 13 of them, covering 2.4 per cent of global emissions, have submitted such targets.
    • While states have been slow to update their national contributions for 2025-2030, several have announced “net zero” targets in the recent past.
    • All G-7 states except the US and 11 G20 members have mid-century (2050 or 2060) net zero targets -carbon dioxide or other GHGs.
    • The Joe Biden administration is also expected to join this group.

    Issues in Net Zero targets

    1) Credibility of the commitments

    • First, the credibility check — are these long-term net zero goals aligned with short-term actions, policies and measures?
    • The IPCC 1.5 degrees Celsius Report indicated that to stay within a reasonable chance of achieving 1.5 degrees Celsius, global carbon dioxide emissions have to fall by 45 per cent from the 2010 levels by 2030.
    • Current national contributions are not on track for such a fall.
    • For many there is a mismatch between short-term actions and long-term commitments.
    • Further, there is a significant “overshoot” in terms of GHGs in the short and medium-term, and a reliance on negative emissions technologies to get there in the long-term.

    2) Fixing accountability

    • Many net zero goals have not yet been embedded in national contributions and long-term strategies under the Paris Agreement.
    • In any case, accountability under the Paris Agreement is limited. States are not obliged to achieve their self-selected targets.
    • There is no mechanism to review the adequacy of individual contributions.
    • States are only asked to provide justifications for the fairness and ambition of their targets.
    • The transparency framework does not contain a robust review function, and the compliance committee is facilitative and limited to ensuring compliance with a short list of binding procedural obligations.
    • Accountability, therefore, has thus far been generated by non-state actors outside the UN regime rather than in the regime.

    3) Fairness of climate action

    •  The issue of equity and fairness, side-stepped in the Paris Agreement, is emerging in climate litigation before national and regional courts.
    • In the landmark Urgenda case (2019), the Dutch Supreme court considered “fair shares” when identifying benchmarks against which the Netherland’s national effort could be judged in the context of a collective action problem.
    • Issues of fairness and justice, both between and within generations, are “unavoidable”.

    India’s commitment

    In 2015, ahead of the UN significant climate conference in Paris, India announced three major voluntary commitments called the Nationally Determined Contributions (NDC):

    1. Improving the emissions intensity of its GDP by 33–35% by 2030 over 2005 levels
    2. Increasing the share of non-fossil fuels-based electricity to 40% by 2030 and
    3. Enhancing its forest cover, thereby absorbing 2.5 to 3 billion tonnes of carbon dioxide

    A success (?)

    • The Environment Minister said that we have achieved 21% of its emissions intensity reduction target as a proportion of its GDP in line with its pledge to a 33-35% reduction by 2030.
    • India was the only major G20 country that was on track towards keeping to its nationally determined commitments to halt runaway global warming.

    Conclusion

    Credible short-term commitments, with a clear pathway to medium-term decarbonisation, that take into account the multiple challenges states face, such as on air pollution, and development, might well be the more defensible choice for some.

  • Voluntary Disclosure of Exotic Pets

    Last month, the Supreme Court upheld an Allahabad High Court order granting immunity from investigation and prosecution if one declared illegal acquisition or possession of exotic wildlife species.

    Q.What are Zoonotic Diseases? Discuss how the illicit trade in wildlife has resulted in the spread of zoonotic diseases of the scale of the ongoing COVID-19?

    Voluntary disclosure scheme

    • The MoEFCC has come out with an advisory on a one-time voluntary disclosure amnesty scheme.
    • It allows owners of exotic live species that have been acquired illegally, or without documents, to declare their stock to the government between June and December 2020.
    • The scheme aims to address the challenge of zoonotic diseases and regulate their import. In its current form, however.
    • It shall develop an inventory of exotic live species for better compliance under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).
    • However, the amnesty scheme is just an advisory, not a law

    What kind of exotic wildlife is covered?

    • The advisory has defined exotic live species as animals named under the Appendices I, II and III of the CITES.
    • It does not include species from the Schedules of the Wild Life (Protection) Act 1972.
    • So, a plain reading of the advisory excludes exotic birds from the amnesty scheme.

    Why need such a scheme?

    • The Directorate of Revenue Intelligence (DRI), which enforces anti-smuggling laws, says India has emerged as a big demand centre for exotic birds and animals.
    • There has been an increase in smuggling of endangered species from different parts of the world.
    • Most of these exotic wildlife is imported through Illegal channels and then sold in the domestic market as pets.
    • The long international border and air routes are used to source consignments from Bangkok, Malaysia and other top tourist destinations in South East Asia, as well as from Europe into India.

    Back2Basics: CITES

    • CITES stands for the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
    • It is as an international agreement aimed at ensuring “that international trade in specimens of wild animals and plants does not threaten their survival”.
    • It was drafted after a resolution was adopted at a meeting of the members of the International Union for Conservation of Nature (IUCN) in 1963.
    • It entered into force on July 1, 1975, and now has 183 parties.
    • The Convention is legally binding on the Parties in the sense that they are committed to implementing it; however, it does not take the place of national laws.
    • India is a signatory to and has also ratified CITES convention in 1976.

    CITES Appendices

    • CITES works by subjecting international trade in specimens of selected species to certain controls.
    • All import, export, re-exports and introduction from the sea of species covered by the convention has to be authorized through a licensing system. It has three appendices:
    1. Appendix I includes species threatened with extinction. Trade-in specimens of these species are permitted only in exceptional circumstances.
    2. Appendix II provides a lower level of protection.
    3. Appendix III contains species that are protected in at least one country, which has asked other CITES Parties for assistance in controlling trade.

  • Mystery illness in Eluru

    Over 550 people in Eluru town of Andhra Pradesh’s West Godavari district have been suffering from convulsions, seizures, dizziness and nausea.

    Try this PYQ:

    Q.Which of the following can be found as pollutants in the drinking water in some parts of India?

    1. Arsenic
    2. Sorbitol
    3. Fluoride
    4. Formaldehyde
    5. Uranium

    Select the correct answer using the codes given below:

    (a) 1 and 3 only

    (b) 2, 4 and 5 only

    (c) 1, 3 and 5 only

    (d) 1, 2, 3, 4 and 5

    Eluru illness

    • The All India Institute of Medical Sciences (AIIMS) has found traces of lead and nickel in blood samples of 25 victims out of the 45 samples sent by the state government.
    • The primary suspicion is on water contamination by heavy metals. Scientists suspect that pesticide or insecticide has seeped into drinking water sources.
    • Experts from Hyderabad who collected water, blood, and food samples say there are indications of lead contamination but can confirm this only after detailed test reports.

    Possible cause: Water contamination

    • Eluru receives water through canals from both Godavari and Krishna rivers.
    • The canals pass through agricultural fields where runoff laced with pesticides mixes with water in the canals. Many aspects of the mystery illness have baffled scientists.
    • People who only use packaged drinking water have also fallen sick.

  • Places in news: ‘Mini Kaziranga’

    Too many cattle are robbing the one-horned rhinos of Assam’s Pobitora Wildlife Sanctuary, referred to as ‘Mini Kaziranga’ for similar features, of their nutritious food.

    Try this PYQ:

    Q. Consider the following statements:

    1. Asiatic lion is naturally found in India only.
    2. Double-humped camel is naturally found in India only.
    3. One-horned rhinoceros is naturally found in India only.

    Which of the statements given above is/are correct?

    (a) 1 only

    (b) 2 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

    About Pobitora Wildlife Sanctuary

    • Pobitora WLS is located on the southern bank of the Brahmaputra in Morigaon district in Assam.
    • It was declared in 1987 and covers 38.85 km2 (15.00 sq mi), providing grassland and wetland habitat for the Indian rhinoceros.
    • It provides a habitat and food resource for the Indian rhinoceros, hosting Assam’s second-largest population.
    • Other mammals occurring in the sanctuary are golden jackal, wild boar and feral water buffalo.
    • Barking deer, Indian leopard and rhesus macaque live foremost in the hilly parts. It is an Important Bird Area and home for more than 2000 migratory birds and various reptiles.

    Why in news?

    • Pobitora is running a successful Rhino breeding program within its sanctuary.
    • It is running under the government as “Indian Rhino vision 2020”.

    Back2Basics: Kaziranga National Park and Tiger Reserve

    • The KNTPR is a national park in the Golaghat, Karbi Anglong and Nagaon districts of the state of Assam.
    • The sanctuary, which hosts two-thirds of the world’s great one-horned rhinoceroses, is a World Heritage Site.
    • Kaziranga is home to the highest density of tigers among protected areas in the world and was declared a Tiger Reserve in 2006 (now the highest tiger density is in Orang National Park, Assam).
    • The park is home to large breeding populations of elephants, wild water buffalo, and swamp deer.
    • It is also recognized as an Important Bird Area by BirdLife International for the conservation of avifaunal species.