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Subject: Environment

  • Species in news: Trimeresurus Salazar

    The new species, Trimeresurus Salazar is a snake been discovered in Arunachal Pradesh.

    Another specie spotted with one more peculiarity, the name Salazar 🙂 Such species are most likely to be asked in prelims to match the columns with their habitat state.

    Trimeresurus Salazar

    • Salazar’s pit viper belongs to the genus Trimeresurus Lacépède comprising “charismatic venomous serpents with morphologically as well as ecologically diverse species”.
    • Pit vipers are venomous snakes distinguished by their heat-sensing pit organs between the eye and the nostril.
    • The name was inspired by Salazar Slytherin, the co-founder of J.K. Rowlings’ fictional Hogwarts School of Witchcraft and Wizardry.

  • [pib] Amendment to the Environment Impact Assessment (EIA) Notification, 2006

    To address unprecedented situation arising from the global outbreak of COVID-19 and to ramp up availability or production of various drugs, the MoEFCC has made an amendment to EIA Notification 2006.

    EIA is a process of evaluating the likely environmental impacts of a proposed project or development, taking into account inter-related socio-economic, cultural and human-health impacts, both beneficial and adverse.  Its a hot topic for mains.

    What is the amendment about?

    • All projects or activities in respect of bulk drugs and intermediates, manufactured for addressing various ailments, have been re-categorized from the existing Category ‘A’ to ‘B2’ category.
    • Projects falling under Category B2 are exempted from the requirement of collection of Baseline data, EIA Studies and public consultation.
    • The re-categorization of such proposals has been done to facilitate decentralization of appraisal to State Level so as to fast track the process.

    Projects Categorization and Clearance under EIA

    • Environmental clearance is required in respect of all new projects or activities listed in the Schedule to the 2006 notification and their expansion and modernization, including any change in product –mix.
    • Since EIA 2006 the various developmental projects have been re-categorised into category ‘A’ and category ‘B’ depending on their threshold capacity and likely pollution potential.
    • They require prior EC respectively from MOEFCC or the concerned State Environmental Impact Assessment Authorities (SEIAAs).
    • Where state-level authorities have not been constituted, the clearance would be provided by the MOEFCC.

    Back2Basics: Environmental Impact Assessment (EIA) in India

    • EIA is a management tool to minimize adverse impacts of developmental projects on the environment and to achieve sustainable development through timely, adequate, corrective and protective mitigation measures.
    • The MoEFCC uses EIA Notification 2006 as a major tool for minimizing the adverse impact of rapid industrialization on the environment and for reversing those trends which may lead to climate change in the long run.
    • EIA has now been made mandatory under the Environmental (Protection Act, 1986 for 29 categories of developmental activities involving investments of Rs. 50 crores and above.

    EIA stages

    • Screening: This stage decides which projects a full or partial assessment need study.
    • Scoping: This stage decides which impacts are necessary to be assessed. This is done based on legal requirements, international conventions, expert knowledge and public engagement. This stage also finds out alternate solutions that avoid or at least reduce the adverse impacts of the project.
    • Assessment & evaluation of impacts and development of alternatives: This stage predicts and identifies the environmental impacts of the proposed project and also elaborates on the alternatives.
    • EIA Report: In this reporting stage, an environmental management plan (EMP) and also a non-technical summary of the project’s impact is prepared for the general public. This report is also called the Environmental Impact Statement (EIS).
    • Decision making: The decision on whether the project is to be given approval or not and if it is to be given, under what conditions.
    • Monitoring, compliance, enforcement and environmental auditing: This stage monitors whether the predicted impacts and the mitigation efforts happen as per the EMP.

  • Earth’s seismic noise levels

    Scientists at the British Geological Survey (BGS) reported a change in the Earth’s seismic noise and vibrations amid the coronavirus lockdown. This change has been monitored through a space-based seismograph.

    Ever heard of space-based monitoring of seismic activities?  This topic creates a scope for potential prelims question…

    What is seismic noise?

    • In geology, seismic noise refers to the relatively persistent vibration of the ground due to a multitude of causes.
    • It is the unwanted component of signals recorded by a seismometer– the scientific instrument that records ground motions, such as those caused by earthquakes, volcanic eruptions, and explosions.
    • This noise includes vibrations caused due to human activity, such as transport and manufacturing, and makes it difficult for scientists to study seismic data that is more valuable.
    • Apart from geology, seismic noise is also studied in other fields such as oil exploration, hydrology, and earthquake engineering.

    How are vibrations generated?

    • We measure ground vibrations from earthquakes using seismometers.
    • These are incredibly sensitive so they also pick up other sources of vibration too, including human activity, such as road traffic, machinery and even people walking past.
    • All these things generate vibrations that propagate as seismic waves through the Earth.

    Reasons for the decline

    • Due to the enforcement of lockdown measures around the world to tackle the novel coronavirus pandemic, the Earth’s crust has shown reduced levels of vibration.

    How do the reduced noise levels help scientists?

    • The seismic noise vibrations caused by human activity are of high frequency (between 1-100 Hz), and travel through the Earth’s surface layers.
    • Usually, to measure seismic activity accurately and reduce the effect of seismic noise, geologists place their detectors 100 metres below the Earth’s surface.
    • However, since the lockdown, researchers were able to study natural vibrations even from surface readings, owing to lesser seismic noise.
    • Due to lower noise levels, scientists are now hoping that they would be able to detect smaller earthquakes and tremors that had slipped past their instruments so far.

     

  • Know all about the National Board for Wildlife

    The National Board for Wildlife (NBWL) hasn’t met since 2014. Policy decisions and clearances have, meanwhile, come from a standing committee to the dismay of experts.

    This newscard is all about the factoids on National Board for Wildlife. The fact that they haven’t met since 2014 makes it interesting for UPSC to quiz you on its details.

    About National Board for Wildlife

    • The NBWL is constituted by the Central Government under Section 5 A of the Wildlife (Protection) Act, 1972 (WLPA).
    • It serves as an apex body to review all wildlife-related matters and approve projects in and around national parks and sanctuaries.
    • The board is advisory in nature and advises the Central Government on framing policies and measures for conservation of wildlife in the country.

    Composition

    • It is chaired by India’s Prime Minister and its vice-chairman is Minister of Environment.
    • The NBWL has 47 members including the chairperson.
    • Among these, 19 members are ex-officio members.
    • Every new government constitutes a new board, based on the provisions of the WLPA, with the new PM as the chair.

    Functioning

    • The primary function of the NBWL is to promote the conservation and development of wildlife and forests.
    • It has the power to review all wildlife-related matters and approve projects in and around national parks and sanctuaries.
    • No alternation of boundaries in national parks and wildlife sanctuaries can be done without the approval of the NBWL.

    Working through a Standing Committee

    • The National Board may, at its discretion, constitute a Standing Committee.
    • The Committee shall consist of the MoEFCC in charge as Vice-Chairperson, Member Secretary and not more than ten members to be nominated by the Vice-Chairperson from amongst the members of the National Board.
    • The WLPA mandates that without the approval/recommendation of the NBWL, construction of tourist lodges, alteration of the boundaries of PAs, destruction or diversion of wildlife habitat and de-notification of Tiger Reserves, cannot be done.

    Seeking clearances

    • Several proposals seeking statutory approvals for such projects come up before the Standing Committee.
    • Every proposal requires to be submitted by the State Government in the approved format with complete details (maps, field assessments, alternatives explored…).
    • It must also contain the clear opinion of the officer in charge of a PA, the Chief Wildlife Warden and the State Government in consultation with the State Board for Wildlife.
    • The Standing Committee will then have to consider such proposals in accordance with the provisions of the WLPA.

    Back2Basics: Wildlife (Protection) Act, 1972

    • WPA provides for the protection of the country’s wild animals, birds and plant species, in order to ensure environmental and ecological security.
    • It provides for the protection of a listed species of animals, birds and plants, and also for the establishment of a network of ecologically-important protected areas in the country.
    • It provides for various types of protected areas such as Wildlife Sanctuaries, National Parks etc.
    • There are six schedules provided in the WPA for protection of wildlife species which can be concisely summarized as under:
    Schedule I: These species need rigorous protection and therefore, the harshest penalties for violation of the law are for species under this Schedule.
    Schedule II: Animals under this list are accorded high protection. They cannot be hunted except under threat to human life.
    Schedule III & IV: This list is for species that are not endangered. This includes protected species but the penalty for any violation is less compared to the first two schedules.
    Schedule V: This schedule contains animals which can be hunted.
    Schedule VI: This list contains plants that are forbidden from cultivation.

     

  • Armed Forces: their role during crisis, procedures for requisition

    As the Army moves in to take over the COVID-19 quarantine facility in Delhi, the procedure for calling the armed forces to help the civil administration is in the spotlight.

    Requisition the Army

    • The regulations permit civil authorities to requisition the Army for controlling law and order, maintaining essential services, assisting during natural calamities such as earthquakes, and any other type of help that may be needed by the civil authorities.
    • The procedure for requisitioning armed forces is governed under several guidelines including:
    1. ‘Aid to Civil Authorities’ under the guidelines laid in Instructions on Aid to the Civil Authorities by the Armed Forces, 1970;
    2. Regulations for the Army, Chapter VII, Paragraphs 301 to 327 and
    3. Manual of Indian Military Law, Chapter VII

    How is Army invited?

    • Civil administration requests the Local Military Authority for assistance, for the maintenance of law and order, maintenance of essential services, disaster relief and other types of assistance.
    • Armed forces can be asked to provide troops and equipment for a flag march, rescue and relief, evacuation, and immediate aid.
    • The current case of checking the spread of COVID-19 is different, as the medical aspect is predominant.
    • These resources are being controlled centrally and judiciously, because of the requirement of doctors, equipment and facilities.

    Why need Armed forces in such situations?

    • Besides the specialised medical resources, which are centrally controlled, the local units are prepared for maintenance of law and order, crowd control, curfew in sensitive areas etc.
    • Moreover provision of essential supply of electricity and water, restoration of essential services, emergency feeding and shelter, prevention of panic, prevention of theft and loot are other areas of concerns.
    • During such multi-faceted challenges, local authorities have shortfall to perform all such functions.

    In such situations, what happens to the armed forces’ primary role?

    • Providing aid to civil authorities, as and when called upon to do so, is a secondary task for the armed forces.
    • It cannot replace the primary role of ensuring external security and operational preparedness.

    Is there a ceiling on such deployment?

    • No, there is no such ceiling either of a duration of deployment or on the number of armed forces personnel that can be deployed to aid civil authority.
    • The National Crisis Management Committee (NCMC), headed by the cabinet secretary, is the final authority.

    Are there any templates or instances from the past that are applicable here?

    • The current situation is different from earlier cases such as tsunami or super-cyclone, which were natural disasters.
    • The major difference is that specialists are the key in the current situation, and their tasks cannot be performed by general duty soldiers.

    Who pays for the costs incurred?

    • The civil administration is responsible for the costs incurred by the armed forces in these roles.
    • The cost of assistance provided by the Armed Forces is recovered in accordance with the instructions contained in ‘Instructions on Aid to Civil Authorities by the Armed Forces 1970’.

    What is the role of the National Disaster Management Authority?

    • NDMA is involved in secondary follow-ups by the Home Ministry and is not very actively involved in the current case.
    • The roles of the Ministries of Health, Home, Civil Aviation and Defence are predominant in this case.
    • The armed forces are aligned with them at the apex level viz NCMC.
    • The directions are followed by execution-level coordination which is done by respective secretaries in the government.

  • Third mass bleaching of Great Barrier Reef

    A survey has found record sea temperatures had caused the third mass bleaching of the 2,300-kilometre Great Barrier Reef system in just five years.

    What is Coral Bleaching?

    • When corals face stress by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae zooxanthellae living in their tissues, causing them to turn completely white.
    • This phenomenon is called coral bleaching.
    • The pale white colour is of the translucent tissues of calcium carbonate which are visible due to the loss of pigment-producing zooxanthellae.

    About Great Barrier Reef

    • The Great Barrier Reef is the world’s largest coral reef system composed of over 2,900 individual reefs and 900 islands.
    • It is stretched for over 2,300 kilometres over an area of approximately 344,400 square kilometres.
    • The reef is located in the Coral Sea, off the coast of Queensland, Australia.

    Importance of Corals

    Coral reefs are some of the most diverse and valuable ecosystems on Earth.

    • They support more species per unit area than any other marine environment, including about 4,000 species of fish, 800 species of hard corals and hundreds of other species.
    • This biodiversity is considered key to finding new medicines for the 21st century. Many drugs are now being developed from coral reef animals and plants as possible cures for cancer, arthritis, human bacterial infections, viruses, and other diseases.
    • Healthy coral reefs support commercial and subsistence fisheries as well as jobs and businesses through tourism and recreation.
    • Local economies receive billions of dollars from visitors to reefs through diving tours, recreational fishing trips, hotels, restaurants, and other businesses based near reef ecosystems.
    • Coral reef structures also buffer shorelines against 97 percent of the energy from waves, storms, and floods, helping to prevent loss of life, property damage, and erosion.
    • When reefs are damaged or destroyed, the absence of this natural barrier can increase the damage to coastal communities from normal wave action and violent storms.

    Back2Basics

    Coral Reefs

    • Coral reefs are built by and made up of thousands of tiny animals—coral “polyps”—that are related to anemones and jellyfish.
    • Polyps are shallow water organisms which have a soft body covered by a calcareous skeleton. The polyps extract calcium salts from sea water to form these hard skeletons.
    • The polyps live in colonies fastened to the rocky sea floor.
    • The tubular skeletons grow upwards and outwards as a cemented calcareous rocky mass, collectively called corals.
    • When the coral polyps die, they shed their skeleton on which new polyps grow.
    • The cycle is repeated for over millions of years leading to accumulation of layers of corals shallow rock created by these depositions is called reef.

  • COVID-19 and its impact on climate talks

    Context

    • Amidst the pandemic, people are breathing cleaner air and are witness to clearer, bluer skies as the human movement has been restricted due to lockdowns imposed by various countries.
    • But while the air may be getting cleaner, the lockdowns are not exactly good news for climate change research.
    • Climate talks are witnessing setbacks in the form of funding cuts, cancelled climate conferences and reduced political will to tackle climate change.

    COVID-19 impacting climate change research

    • The hard paced climate change research has been halted and it might become difficult to restart the conversation around it, even after the pandemic is brought under control.
    • The major projects that were scheduled to gather environmental data have all been cancelled or postponed and the crisis has also cast a shadow on routine monitoring of weather and climate change.
    • Further, because commercial flights are running at a lesser frequency, it has also become difficult to collect ambient temperatures and the wind speed, which is taken by in-flight sensors.
    • The other reason that other research has more or less been halted is because of restrictions including lockdowns, insistence on working from home and other social distancing requirements.

    Scope for a back seat

    • Due to the looming health crisis, human kind’s immediate survival is the biggest concern at the moment.
    • However, completely ignoring environmental policy may not be in humanity’s best interest.
    • Largely we still view the environment, and life on earth, as separate. This separation is a dangerous delusion.
    • We can and must do better if we want to prevent the next infectious pandemic.

    Climate change and infectious diseases are not separate

    • The two are not directly related, which is to say that climate change did not lead to the spread of the coronavirus.
    • However, there is a possibility that climate change could have exacerbated the impact of COVID-19 by making the consequences worse for some humans.
    • For instance, air pollution’s impact on human health could make some consequences of the disease more severe for a few humans.
    • A 2003 study on air pollution and the case fatality rate for SARS showed that people exposed to air pollution were more likely to suffer severe consequences from the disease.

  • Tropical Butterfly Conservatory

    The Tropical Butterfly Conservatory Tiruchirappalli (TBCT) has been developed in Tamil Nadu’s Tiruchirappalli to create awareness among the public about the importance of the butterfly and its ecology.

    Tropical Butterfly Conservatory

    • The TBC is located in the Upper Anaicut Reserve Forest, sandwiched between the Cauvery and Kollidam rivers in Tiruchirappalli.
    • It was inaugurated during November 2015 at Tiruchirappalli with the objective of propagating the importance of butterflies and conserving the biodiversity of the district through environmental education.
    • It  is spread over 27 acres and is considered to be Asia’s largest butterfly park.
    • The park has an outdoor as well as indoor conservatory, a ‘Nakshatra Vanam’ and a ‘Rasi Vanam’ in addition to a breeding lab for non-scheduled species.
    • So far, about 109 butterfly species have been observed here.

    Conservation measures

    • Eggs of non-scheduled butterfly species are collected and bred in captivity in the in-house incubation laboratory by keeping them in ventilated plastic containers with the leaves of host plants as feed.
    • After attaining the transformation of larva (caterpillar) and pupa (transition), the adult butterfly finally comes out with gorgeous colours and at this stage they are released into the natural habitat.
    • Non-scheduled butterfly species are bred and released by the park authorities into their natural surroundings.

    Significance of butterflies

    • Butterflies are known for their intrinsic, aesthetic, educational, scientific, ecological, health and economic values.
    • As butterflies form an important part of nature’s food web, it is very essential to protect the species for ecological balance.
    • They play a key role in the pollination of plant species, the global food chain depends on their well-being.

    Various threats

    • The major threats to butterfly diversity are destruction, degradation and fragmentation of their habitats, grazing, fires and application of pesticides and weedicides in agricultural and urban ecosystems.

  • Earth Hour

    The Earth Hour, observed annually on the last Saturday of March, was recently celebrated.

    Earth Hour

    • Earth Hour is a worldwide movement organized by the World Wide Fund for Nature (WWF).
    • It is held annually encouraging individuals, communities, and businesses to turn off non-essential electric lights, for one hour, from 8:30 to 9:30 p.m. on a specific day towards the end of March as a symbol of commitment to the planet.
    • It was started as a lights-off event in Sydney, Australia, in 2007.

  • Species in news: Himalayan Ibex

    A recent study by scientists of the Zoological Survey of India (ZSI) has proved that Himalayan Ibex, distributed in the trans-Himalayan ranges of Jammu and Kashmir, Ladakh and Himachal Pradesh, is a distinct species from the Siberian Ibex.

    Himalayan Ibex

    IUCN/WPA Status:    Least Concern / Schedule I

    • Himalayan Ibex (Capra ibex sibirica) is widely found in arid and rocky mountain of Karakoram, Hindukush and Himalayas of Gilgit-Baltistan.
    • The males are characterized by heavy body, large horns, long bears while females have small body small horns.
    • The threats that Himalayan ibex face are the illegal hunting, human disturbance, habitat loss and competition for forage with domestic livestock.