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Subject: Climate Change

1. Global Warming and Issues
2. All about Pollution

  • What is a Triple-Dip La Nina?

    nina

    Parts of the world are expected to experience severe weather for the rest of the year and into 2023, as part of a rare “triple dip La Nina” event, according to the World Meteorological Organization (WMO).

     What is the “Triple-Dip” La Nina?

    • A “triple-dip” La Nina is a multiyear cooling of the surface temperature of the equatorial Pacific Ocean, which can cause droughts, fierce winds and heavy rainfall.
    • According to WMO, the current La Nina is projected to span three consecutive northern hemisphere winters. It began in September 2020.
    • If it continues for the next six months, it will be the first “triple-dip” La Nina event of the 21st century, WMO says.

    How rare is this triple-dip?

    • It is exceptional to have three consecutive years with a la Nina event.
    • Its cooling influence is temporarily slowing the rise in global temperatures – but it will not halt or reverse the long-term warming trend.
    • La Nina’s are usually preceded by El Nino, a weather pattern that warms the surface of the eastern tropical Pacific Ocean.
    • However, an El Nino event did not occur before the current La Nina.

    Has it happened before? Will it happen again?

    • La Nina’s occurred several times between 1903 to 2010 and 2010 to 2012.
    • This would be the first “triple-dip” La Nina this century.
    • However, it is not unprecedented for the weather pattern to last more than nine months to a year, which is typical for a La Nina.

    Evaluating the likely impact

    • In the Indian context, La Nina is associated with good rainfall during the monsoon season.
    • This is the opposite of El Nino which is known to suppress monsoon rainfall.
    • Thus, a continued spell of La Nina could lead to expectation of another year of good, or normal, rainfall during the monsoon.
    • Until now, the monsoon season this year has produced 7% more rain compared to normal. Last year, the seasonal rainfall was almost 100%.
    • But, even though powerful, ENSO condition is only one of the several factors affecting monsoon rainfall in India.

    Impact on rainfall

    • There is no one-on-one correlation between the ENSO condition and the amount of rainfall.
    • Also, the influence of ENSO is at a macro level.
    • There are wide variations in rainfall at the local level, which are getting exacerbated by climate change.

    Differential impacts of this triple-dip event

    • The continuance of La Nina further into 2023 is not bad news from the Indian standpoint. But it is not the same for many other regions where La Nina has very different impacts.
    • In most parts of the United States, for example, La Nina is associated with very dry winters.
    • In Australia and Indonesia, and generally in the tropical region, La Nina is expected to bring more rainfall.
    • The excessive rainfall in Pakistan, which is experiencing its worst flooding disaster, can also be blamed in part on La Nina.
    • It said that the persistence of La Nina was most likely to result in a worsening of the drought in Africa.

    What is its climate change link?

    • Every unusual weather event these days is attributed to climate change, but science is not conclusive right now.
    • The occurrences of El Nino or La Nina are not very regular.
    • Sometimes they emerge every two years, at other times there has been a gap of even seven years.
    • Historical records do not go very far in the past.
    • As a result, the natural variability of ENSO is not understood very clearly.
    • And when the natural variability itself is not clear, the influence of global warming is difficult to quantify.
    • But there is clearer evidence of another kind of linkage with global warming.
    • During La Nina years, the colder surfaces allow the oceans to absorb more heat from the atmosphere.
    • Consequently, the air temperatures tend to go down, producing a cooling effect.

     

     

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  • UNEP launches Green Fins Hub

    fins

    The United Nations Environmental Programme (UNEP) has launched the Green Fins Hub, a global digital platform to give sustainable marine tourism a ‘major boost’.

    Green Fins Hub

    • The Green Fins Global Hub will be a first-of-its-kind online support system to motivate scuba operators to improve their daily environmental practices at scale.
    • It aims to help diving and snorkeling operators worldwide to make simple, cost-efficient changes to their daily practices by utilizing tried and tested solutions.
    • It would also help them keep track of their annual improvements and communicate with their communities and customers.

    Membership of Green Fins Hub

    • It will host two types of membership. One would be digital membership available for diving, snorkelling and liveaboard operations globally.
    • Throughout every year of membership, operators will receive environmental scores based on a detailed online self-evaluation and progress made on their action plans.
    • The Certified Members will continue to be assessed annually and trained in person at their operation.
    • The platform will be for operators around the world to raise industry needs, discuss environmental issues and share lessons and ideas with like-minded industry leaders, non-profits and governments.

     

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  • What is the idea of Climate Reparation?

    Facing the worst flooding disaster in its history, Pakistan has begun demanding reparations, or compensation, from the rich countries that are mainly responsible for causing climate change.

    Why in news?

    • On the face of it, Pakistan’s demand for reparations appears to be a long shot, but the principles being invoked are fairly well-established in environmental jurisprudence.
    • In fact, Pakistan is not alone in making this demand.
    • Almost the entire developing world has for years been insisting on setting up an international mechanism for financial reparation for loss and damage caused by climate disasters.
    • The issue has come up repeatedly at international negotiations for climate change, and on other platforms.

    What is Climate Reparation?

    • At its heart, the demand for compensation for loss and damage from climate disasters is an extension of the universally acknowledged “Polluter Pays” principle.
    • This makes the polluter liable for paying not just for the cost of remedial action, but also for compensating the victims of environmental damage caused by their actions.
    • Climate justice is based on the notion of not being punished for someone else’s bad behaviour, but it does not sanction additional bad behaviour.

    Who are responsible for climate change?

    • In the climate change framework, the burden of responsibility falls on those rich countries that have contributed most of the greenhouse gas emissions since 1850, generally considered to be the beginning of the industrial age.
    • The United States and the European Union, including the UK, account for over 50% of all emissions during this time.
    • If Russia, Canada, Japan, and Australia too are included, the combined contribution goes past 65%, or almost two-thirds of all emissions.
    • Historical responsibility is important because carbon dioxide remains in the atmosphere for hundreds of years, and it is the cumulative accumulation of carbon dioxide that causes global warming.

    What about developing countries?

    • A country like India, currently the third largest emitter, accounts for only 3% of historical emissions.
    • China, which is the world’s biggest emitter for over 15 years now, has contributed about 11% to total emissions since 1850.

    Why need climate reparations?

    • While the impact of climate change is global, it is much more severe on the poorer nations because of their geographical locations and weaker capacity to cope.
    • Countries that have had negligible contributions to historical emissions and have severe limitations of resources are the ones that face the most devastating impacts of climate change.

    Institutional mechanism for Climate Reparations

    (1) United Nations

    • The UN Framework Convention on Climate Change (UNFCCC), the 1994 international agreement that lays down the broad principles of the global effort to fight climate change.
    • It explicitly acknowledges this differentiated responsibility of nations.
    • It makes it very clear that rich countries must provide both the finance and the technology to the developing nations to help them tackle climate change.
    • It is this mandate that later evolved into the $100 billion amount that the rich countries agreed to provide every year to the developing world.
    • While this promise is yet to be met, this $100 billion per year amount is not meant for loss and damage.
    • Climate disasters were not a regular occurrence in 1994, and as such the UNFCCC does not make a mention of loss and damage.
    • This particular demand emerged much later, and faced stiff resistance from the developed nations.

    (2) Warsaw International Mechanism (WIM)

    • The WIM for Loss and Damages, set up in 2013, was the first formal acknowledgment of the need to compensate developing countries struck by climate disasters.
    • However, the progress on this front has been painfully slow.
    • No funding mechanism, or even a promise to provide funds, has come about.

    Pushback from Developed Countries

    • It is not hard to understand why the developed countries are dead against compensation claims.
    • They are struggling to put together even the $100 billion per year flow that they had reluctantly agreed to provide.
    • Further, loss and damage claims can easily spiral into billions of dollars, or even more.
    • The report said that the United States alone is estimated to have “inflicted more than $1.9 trillion in damages to other countries” due to its emissions.

    Issues with loss assessment

    • There are practical difficulties in estimating how much a country has actually suffered due to the actions of others.
    • To begin with, it has to be established that the disaster was caused by climate change.
    • Then there are non-economic losses as well, including loss of lives, displacement and migration, health impacts, and damage to cultural heritage.
    • Then there is this other step about assessing how much of the losses are due to the event itself, and what could be attributed to misgovernance.

    Conclusion

    • A lot of background work is going on to create the framework in which it would be possible to quantify the compensation due to an affected country.
    • What Pakistan has done, through its demands for reparations, is to call attention to this often neglected aspect.

     

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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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  • 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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  • What are Cloudbursts? Why are they rising across India?

    Over 20 people have been killed in destruction caused by cloudbursts and flash floods in different parts of Himachal Pradesh and Uttarakhand over the last three days.

    What are Cloudbursts?

    • A cloudburst is a localised but intense rainfall activity.
    • Short spells of very heavy rainfall over a small geographical area can cause widespread destruction, especially in hilly regions where this phenomenon is the most common.
    • Not all instances of very heavy rainfall, however, are cloudbursts.
    • A cloudburst has a very specific definition: Rainfall of 10 cm or more in an hour over a roughly 10 km x 10-km area is classified as a cloudburst event.
    • By this definition, 5 cm of rainfall in a half-hour period over the same area would also be categorized as a cloudburst.

    How is it different from normal rainfall?

    • To put this in perspective, in a normal year, India, as a whole, receives about 116 cm of rainfall over the entire year.
    • This means if the entire rainfall everywhere in India during a year was spread evenly over its area, the total accumulated water would be 116 cm high.
    • There are, of course, huge geographical variations in rainfall within the country, and some areas receive over 10 times more than that amount in a year.
    • But on average, any place in India can be expected to receive about 116 cm of rain in a year.
    • During a cloudburst event, a place receives about 10% of this annual rainfall within an hour.

    How common are cloudbursts?

    • Cloudbursts are not uncommon events, particularly during the monsoon months.
    • Most of these happen in the Himalayan states where the local topology, wind systems, and temperature gradients between the lower and upper atmosphere facilitate the occurrence of such events.
    • However, not every event that is described as a cloudburst is actually, by definition, a cloudburst.
    • That is because these events are highly localized.
    • They take place in very small areas which are often devoid of rainfall measuring instruments.

    Why are they so destructive?

    • The consequences of these events, however, are not confined to small areas.
    • Because of the nature of terrain, the heavy rainfall events often trigger landslides and flash floods, causing extensive destruction downstream.
    • This is the reason why every sudden downpour that leads to destruction of life and property in the hilly areas gets described as a “cloudburst”, irrespective of whether the amount of rainfall meets the defining criteria.
    • At the same time, it is also possible that actual cloudburst events in remote locations aren’t recorded.

    Can cloudbursts be forecasted?

    • The India Meteorological Department forecasts rainfall events well in advance, but it does not predict the quantum of rainfall — in fact, no meteorological agency does.
    • The forecasts can be about light, heavy, or very heavy rainfall, but weather scientists do not have the capability to predict exactly how much rain is likely to fall at any given place.
    • Additionally, the forecasts are for a relatively large geographical area, usually a region, a state, a meteorological sub-division, or at best a district.
    • As they zoom in over smaller areas, the forecasts get more and more uncertain.
    • Theoretically, it is not impossible to forecast rainfall over a very small area as well, but it requires a very dense network of weather instruments and computing capabilities that seem unfeasible with current technologies.
    • As a result, specific cloudburst events cannot be forecast. No forecast ever mentions a possibility of a cloudburst.
    • But there are warnings for heavy to very heavy rainfall events, and these are routinely forecast four to five days in advance.
    • Possibility of extremely heavy rainfall, which could result in cloudburst kind of situations, are forecast six to 12 hours in advance.

    Are cloudburst incidents increasing?

    • There is no long-term trend that suggests that cloudbursts, as defined by the IMD, are rising.
    • What is well established, however, is that incidents of extreme rainfall, as also other extreme weather events, are increasing — not just in India but across the world.
    • While the overall amount of rainfall in India has not changed substantially, an increasing proportion of rainfall is happening in a short span of time.
    • That means that the wet spells are very wet, and are interspersed with prolonged dry spells even in the rainy season.
    • This kind of pattern, attributed to climate change, does suggest that cloudburst events might also be on the rise.

     

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  • What is causing Arctic Amplification?

    Finnish researchers have found that the Arctic is heating four times faster than the rest of the planet.

    Arctic is warming faster

    • The warming is concentrated in the Eurasian part of the Arctic, where the Barents Sea north of Russia and Norway is warming at an alarming rate — seven times faster than the global average.
    • Other studies indicate that the Arctic amplification is four times the global rate.

    What is Arctic Amplification?

    • Global warming has hastened due to anthropogenic forces or human activities since pre-industrial times and has increased the planet’s average temperature by 1.1 degrees Celsius.
    • While changes are witnessed across the planet, any change in the surface air temperature and the net radiation balance tend to produce larger changes at the north and south poles.
    • This phenomenon is known as polar amplification; these changes are more pronounced at the northern latitudes and are known as the Arctic amplification.

    What causes amplification?

    • Among the many global warming-driven causes for this amplification, the ice-albedo feedback, lapse rate feedback, water vapour feedback and ocean heat transport are the primary causes.
    • Sea ice and snow have high albedo (measure of reflectivity of the surface), implying that they are capable of reflecting most of the solar radiation as opposed to water and land.
    • In the Arctic’s case, global warming is resulting in diminishing sea ice.
    • As the sea ice melts, the Arctic Ocean will be more capable of absorbing solar radiation, thereby driving the amplification.
    • The rate at which the temperature drops with elevation i.e. lapse rate decreases with warming.
    • Studies show that the ice-albedo feedback and the lapse rate feedback are responsible for 40% and 15% of polar amplification respectively.

    What do the previous studies say?

    • The extent of Arctic amplification is debated, as studies show various rates of amplification against the global rate.
    • Studies have shown that the Arctic was warming at twice the global rate prior to the beginning of the 21st century.
    • Already the Arctic surface air temperature has likely increased by more than double the global average over the last two decades.

    What are the consequences of Arctic warming?

    • The causes and consequences of Arctic amplification are cyclical — what might be a cause can be a consequence too.
    • The Greenland ice sheet is melting at an alarming rate, and the rate of accumulation of sea ice has been remarkably low since 2000.
    • This is also marked by young and thinner ice replacing the old and thicker ice sheets.
    • Greenlandic ice sheet holds the second largest amount of ice, after Antarctica, and therefore it is crucial for maintaining the sea level.
    • In 2019, this was the single biggest cause for the rise in the sea level, about 1.5 metres.

    Visible impacts

    • If the sheet melts completely, the sea level would rise by seven metres, capable of subsuming island countries and major coastal cities.
    • The warming of the Arctic Ocean and the seas in the region, the acidification of water, changes in the salinity levels, are impacting the biodiversity, including the marine species and the dependent species.
    • The warming is also increasing the incidence of rainfall which is affecting the availability and accessibility of lichens to the reindeer.
    • The Arctic amplification is causing widespread starvation and death among the Arctic fauna.
    • The permafrost in the Arctic is thawing and in turn releasing carbon and methane which are among the major greenhouse gases responsible for global warming.
    • Experts fear that the thaw and the melt will also release the long-dormant bacteria and viruses that were trapped in the permafrost and can potentially give rise to diseases.

    What is the impact on India?

    • In recent years, scientists have pondered over the impact the changing Arctic can have on the monsoons in the subcontinent.
    • The link between the two is growing in importance due to the extreme weather events the country faces, and the heavy reliance on rainfall for water and food security.
    • A study says that reduced sea ice in the Barents-Kara sea region can lead to extreme rainfall events in the latter half of the monsoons — in September and October.
    • The changes in the atmospheric circulation due to diminishing sea ice combined with the warm temperatures in the Arabian Sea contribute to enhanced moisture and drive extreme rainfall events.

    Steps taken by India

    • In 2014, India deployed IndARC, India’s first moored-underwater observatory in the Kongsfjorden fjord, Svalbard.
    • It aims to monitor the impact of the changes in the Arctic Ocean on tropical processes such as the monsoons.

     

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  • Development vs sustainability

    Context

    • According to NITI Aayog, “600 million people in India face high to extreme water stress with nearly 70% of water being contaminated; India is placed at 120th amongst 122 countries in the water quality index”.
    • The latest global environmental ranking by Yale and Columbia Universities puts India at the bottom among 180 countries.

    What is development?

    • Economic development means different things to different people. On a broad scale, anything a community does to foster and create a healthy economy can fall under the auspice of economic development.

    What is sustainability?

    • The integration of environmental health, social equity and economic vitality in order to create thriving, healthy, diverse and resilient communities for this generation and generations to come. The practice of sustainability recognizes how these issues are interconnected and requires a systems approach and an acknowledgement of complexity.
    • Sustainability is the balance between the environment, equity, and economy.

    What sustainability do for us?

    • Sustainable practices support ecological, human, and economic health and vitality.
    • Sustainability presumes that resources are finite, and should be used conservatively and wisely with a view to long-term priorities and consequences of the ways in which resources are used.
    • In simplest terms, sustainability is about our children and our grandchildren, and the world we will leave them.

    Definition of carrying capacity of earth

    • Carrying capacity: Carrying capacity is the maximum number of a species an environment can support indefinitely. Every species has a carrying capacity, even humans. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebounds.

    Mother earth has reached its carrying capacity now

    • No species has altered the Earth’s natural landscape the way humans have.
    • Global climate change, mass extinction, and overexploitation of our global commons are all examples of the ways in which humans have altered the natural landscape.
    • Our growing population, coupled with rising affluence and per capita impact, is driving our planet closer to its tipping point.
    • With population expected to reach 5 billion by 2050, many wonder if our natural resources can keep up with our growing demands.

    Enrich your mains answer with this

    8 Billion dreams, ambitions, aspirations and only one earth to support them all . Human population, now nearing 8 billion, cannot continue to grow indefinitely. There are limits to the life-sustaining resources earth can provide us. In other words, there is a carrying capacity for human life on our planet.

    Development vs environment issues

    • Unemployment: For India, the national context is shaped by high youth unemployment, millions more entering the workforce each year, and a country hungry for substantial investments in hard infrastructure to industrialise and urbanise.
    • Growth with low emission footprint: India’s economic growth in the last three decades, led by growth in the services sector, has come at a significantly lower emissions footprint.
    • Infrastructure: But in the coming decades, India will have to move to an investment-led and manufacturing-intensive growth model to create job opportunities and create entirely new cities and infrastructure to accommodate and connect an increasingly urban population.

    Why a Carbon Fee and Dividend is Imperative

    It is clear that we will soon pass the limit on carbon emissions, because it requires decades to replace fossil fuel energy infrastructure with carbon-neutral and carbon negative energies.

    What could India do to pursue an industrialization pathway that is climate-compatible?

    • A coherent national transition strategy is important in a global context where industrialised countries are discussing the imposition of carbon border taxes while failing to provide developing countries the necessary carbon space to grow or the finance and technological assistance necessary to decarbonise.
    • What India needs is an overarching green industrialisation strategy that combines laws, policy instruments, and new or reformed implementing institutions to steer its decentralised economic activities to become climate-friendly and resilient.
    Case study for value addition

    • Bhutan: Bhutan remains, for example, the first and only carbon-negative country in the world, and they have also recently prevented the COVID-19 pandemic from overwhelming its population, with only one Bhutanese citizen  passing away from the virus to date.

     

     

    Way forward

    • India should set its pace based on its ability to capitalise on the opportunities to create wealth through green industrialisation.

    Mains question

    Do you think mother earth has reached its carrying capacity? Discuss this in context of development vs environment debate.

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  • Centre to file review petition on Eco-Sensitive Zones in SC

    Union Minister of Environment, Forest and Climate Change has said that the Ministry will file a review petition in the Supreme Court urging a relook into its judgment on eco-sensitive zones.

    Why in news?

    • The Supreme Court has earlier directed that every protected forest, national park and wildlife sanctuary across the country should have a mandatory eco-sensitive zone (ESZ) of a minimum one km starting from their demarcated boundaries.

    Why such move?

    • The purpose of declaring ESZs around national parks, forests and sanctuaries is to create some kind of a “shock absorber” for the protected areas.
    • These zones would act as a transition zone from areas of high protection to those involving lesser protection.

    What are the Eco-sensitive Zones (ESZs)?

    • Eco-Sensitive Zones (ESZs) or Ecologically Fragile Areas (EFAs) are areas notified by the MoEFCC around Protected Areas, National Parks and Wildlife Sanctuaries.
    • The purpose of declaring ESZs is to create some kind of “shock absorbers” to the protected areas by regulating and managing the activities around such areas.
    • They also act as a transition zone from areas of high protection to areas involving lesser protection.

    How are they demarcated?

    • The Environment (Protection) Act, 1986 does not mention the word “Eco-Sensitive Zones”.
    • However, Section 3(2)(v) of the Act, says that Central Government can restrict areas in which any industries, operations or processes or class of industries, operations or processes shall be carried out or shall not, subject to certain safeguards.
    • Besides Rule 5(1) of the Environment (Protection) Rules, 1986 states that central government can prohibit or restrict the location of industries and carrying on certain operations or processes on the basis of certain considerations.
    • The same criteria have been used by the government to declare No Development Zones (NDZs).

    Defining its boundaries

    • An ESZ could go up to 10 kilometres around a protected area as provided in the Wildlife Conservation Strategy, 2002.
    • Moreover, in the case where sensitive corridors, connectivity and ecologically important patches, crucial for landscape linkage, are beyond 10 km width, these should be included in the ESZs.
    • Further, even in the context of a particular Protected Area, the distribution of an area of ESZ and the extent of regulation may not be uniform all around and it could be of variable width and extent.

     

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  • What is a Carbon Market, and why does India want to create one?

    The Bill to amend the Energy Conservation Act, 2001 seeks to establish a domestic carbon market and facilitate trade in carbon credits.

    What are Carbon Credits?

    • Carbon credits are measurable, verifiable emission reductions from certified climate action projects.
    • These projects reduce, remove or avoid greenhouse gas (GHG) emissions.
    • But they also bring a whole host of other positive benefits, for example, they empower communities, protect ecosystems, restore forests or reduce reliance on fossil fuels.
    • Projects must adhere to a rigorous set of criteria to pass verification by third-party agencies and a review by a panel of experts at a leading carbon offset standard.
    • After an organization or an individual buys a carbon credit, the credit is permanently retired so it can’t be reused.

    What are Carbon Markets?

    • Carbon markets are regulatory structures that allow, in particular, oil and gas-intensive companies or heavy industry (or, in the case of COP25, countries) to reduce their economic footprint through a series of incentives.
    • The idea behind this system is that the most polluting countries can purchase the right to pollute more from countries that have not reached their emissions limits.
    • The 1997 Kyoto Protocol turned polluting emissions into a commodity.
    • For example, the European Union Emissions Trading System (EU ETS) is the largest in the world and has been in operation since 2015.

    How is the concept evolved?

    • When the world evolved the ‘clean development mechanism’ (CDM) after the Kyoto Protocol agreement of 1997 as companies in the developing world could put up projects.
    • These include renewable energy or afforestation — that helped reduce carbon dioxide emissions, and earn ‘credits’ that could be sold in the market.
    • It was expected that these credits would be bought by the developed countries that had committed to emissions cuts under the Protocol.
    • Thus emerged the CDM market, aka ‘compliance market’. Alongside, environmentally conscious entities also started buying these carbon credits (or offsets) — the ‘voluntary market’.

    What is the status now?

    • This system functioned well for a few years.
    • But the market collapsed because of the lack of demand for carbon credits.
    • As the world negotiated a new climate treaty in place of the Kyoto Protocol, the developed countries no longer felt the need to adhere to their targets under the Kyoto Protocol.
    • A carbon market was envisaged to work under the successor Paris Agreement, but its details are still being worked out.

    Global successes

    • Domestic or regional carbon markets are already functioning in several places, most notably in Europe, where an emission trading scheme (ETS) works on similar principles.
    • Industrial units in Europe have prescribed emission standards to adhere to, and they buy and sell credits based on their performance.
    • China, too, has a domestic carbon market.

    Mechanism in India

    • A similar scheme for incentivizing energy efficiency has been running in India for over a decade now.
    • This BEE scheme, called- Perform, Achieve and Trade (PAT) Scheme allows units to earn efficiency certificates if they outperform the prescribed efficiency standards.
    • The laggards can buy these certificates to continue operating.

    What does new Amendment seeks to bring?

    • The new carbon market that is proposed to be created through this amendment to the Energy Conservation Act, would be much wider in scope.
    • Although the details of this carbon market are not yet known, it is likely to be on the lines of the European ETS, facilitating the buying and selling of carbon credits.

     

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