💥Join UPSC 2027,2028 Mentorship (July Batch) + XFactor Notes & Microthemes PDF
Talk to Mentor

Civilsdaily

Login

Subject: Environment

  • Tiger Sightings in Buxa National Park

    buxa

    Introduction

    • Camera traps in the Buxa National Park, West Bengal captured images of a tiger, reigniting hopes among forest officials and experts.
    • The last sighting before December 2021 was 23 years ago, indicating the tiger’s absence from the reserve for decades.

    Buxa Tiger Reserve: Geography and Ecology

    Details
    Location Alipurduar district, West Bengal, India. Near the Bhutan border.
    Establishment Created in 1983 as a tiger reserve; declared a national park in January 1992.
    Area Total area of approx. 760 sq km (core area: 390 sq km, buffer zone: 370 sq km).
    Ecological Significance Part of the Eastern Himalayan subregion, known for its unique biodiversity.
    Geographical Connectivity Shares a northern boundary with Bhutan. Connected with Bhutanese forests, Kochugaon forests, Manas Tiger Reserve, and Jaldapara National Park.

    Reasons for the Tiger’s Return

    • Habitat Improvement: Efforts to reduce human interference, expand grasslands, and increase the prey base have created a more suitable habitat for tigers.
    • Conservation Measures: The introduction of chital (spotted deer) as prey and the creation of watering holes have been part of these efforts.

    Conservation Initiatives and Future Plans

    • Tiger Augmentation Project: Launched in 2018, this project involves the state forest department, Wildlife Institute of India, and the National Tiger Conservation Authority.
    • Village Relocation: Plans to relocate villages from the core area aim to reduce human presence and further improve the habitat.
    • Expert Insights: Scientists note the importance of habitat connectivity between Bhutan and Buxa and the reduction of human disturbances as key factors in attracting tigers back to Buxa.

  • Kyrgyzstan declares Snow Leopard as National Symbol

    Snow Leopard

    Central Idea

    • Kyrgyzstan, a Central Asian country, has declared the snow leopard as its national symbol.

    About Snow Leopard

    Details
    Habitat Mountainous regions of Central and Southern Asia; in India: western and eastern Himalayas.
    Indian Geographical Range Western Himalayas (J&K, Ladakh, Himachal Pradesh, Uttarakhand) and Eastern Himalayas (Sikkim, Arunachal Pradesh).
    Project Snow Leopard (2009) Aims to strengthen wildlife conservation in the Himalayan high altitudes, involving local communities.
    Conservation Status IUCN Red List: Vulnerable

    CITES: Appendix I

    Wildlife (Protection) Act, 1972 (India): Schedule I
    India’s Conservation Efforts Flagship species for high altitude Himalayas.

    Part of GSLEP Programme since 2013.

    Himalaya Sanrakshak community programme (2020).

    National Protocol on Snow Leopard Population Assessment (2019)

    SECURE Himalaya project (GEF-UNDP funded).

    Listed in 21 critically endangered species for recovery by MoEF&CC.

    Conservation breeding at Padmaja Naidu Himalayan Zoological Park.
    GSLEP Programme Inter-governmental alliance of 12 snow leopard countries (India, Nepal, Bhutan, China, Mongolia, Russia, Pakistan, Afghanistan, Kyrgyzstan, Kazakhstan, Tajikistan, and Uzbekistan), focusing on ecosystem value awareness.
    Living Himalaya Network Initiative WWF’s initiative across Bhutan, India (North-East), and Nepal for conservation impact in the Eastern Himalayas.

    Significance of the Snow Leopard

    • The snow leopard symbolizes the health and stability of mountain ecosystems, which cover a significant portion of the global territory.
    • The snow leopard has been a totem animal in ancient Kyrgyz culture, associated with the legendary figure Manas.
    • The harmony between humans and nature, symbolized by the snow leopard, is portrayed in Chyngyz Aitmatov’s novel “When Mountains Fall.”

  • Earthquake and Tsunami strikes Central Japan

    japan

    Central Idea

    • On January 1, 2024, a 7.5-magnitude earthquake hit Ishikawa prefecture in Japan, triggering tsunami waves over a meter high.

    Japan’s Geographical Vulnerability

    • Japan’s geographical vulnerability, particularly concerning plate tectonics, is a critical aspect of its environmental and disaster management challenges.
    • The country’s location at the convergence of several major tectonic plates makes it highly susceptible to seismic activities.

    Here’s a detailed look at how plate tectonics contribute to Japan’s geographical vulnerability:

    [1] Convergent Plate Boundaries:

    • Pacific Ring of Fire: Japan is located on the Pacific Ring of Fire, an area with a high level of seismic activity due to the presence of numerous tectonic plate boundaries.
    • Plates Involved: The primary tectonic plates interacting near Japan are the Pacific Plate, the Philippine Sea Plate, the Eurasian Plate, and the North American Plate.
    • Subduction Zones: The Pacific and Philippine Sea plates are subducting beneath the Eurasian and North American plates. This subduction process is a significant source of seismic activity, including powerful earthquakes and volcanic eruptions.

    [2] Earthquake Activity:

    • Frequent Earthquakes: The movement of these plates results in frequent earthquakes. Japan experiences thousands of tremors annually, ranging from minor to catastrophic.
    • Major Earthquakes: Historical events like the 2011 Great East Japan Earthquake and the 1995 Great Hanshin Earthquake demonstrate the potential for massive destruction and loss of life due to Japan’s tectonic setting.

    [3] Tsunami Risk:

    • Generation of Tsunamis: Earthquakes occurring under the sea or along the coast can displace large volumes of water, leading to tsunamis. The 2011 tsunami, triggered by a massive undersea earthquake, caused widespread devastation and the Fukushima nuclear disaster.
    • Coastal Impact: Japan’s extensive coastline makes it particularly vulnerable to tsunamis, which can arrive within minutes of an undersea earthquake, leaving little time for evacuation.

    [4] Volcanic Activity:

    • Volcanic Eruptions: The subduction of the Pacific and Philippine Sea plates not only causes earthquakes but also contributes to significant volcanic activity. Magma generated by the melting of the subducted plate rises to the surface, leading to volcanic eruptions.
    • Active Volcanoes: Japan has over 100 active volcanoes, a direct result of its tectonic setting. Eruptions pose risks to nearby populations and can disrupt air travel and local economies.

    [5] Geological Complexity:

    • Intersecting Faults: The interaction of multiple tectonic plates creates a complex network of faults, increasing the unpredictability and variability of seismic events.
    • Diverse Seismic Phenomena: This complexity leads to a range of seismic phenomena, including deep-focus earthquakes, which occur at greater depths and can affect broader areas.

  • Floods and a ‘preventive measure’ that needs review

    Floods and a 'preventive measure' that needs review - The Hindu

    Central idea 

    Dr. Mani Sivasubramanian emphasizes the long-lasting impact of decisions made after Cyclone Michuang in Chennai, particularly regarding electricity cutoffs. The central idea revolves around the need for accountability in decision-making during crises, highlighting the delicate balance between safety measures and potential hazards for vulnerable populations, such as the elderly. The way forward involves a hierarchical approach, periodic reviews, and fixing responsibility for sub-optimal decisions.

    Key Highlights:

    • Dr. Mani Sivasubramanian, a heart surgeon, author, and social entrepreneur, discusses the long-lasting impact of decisions made after Cyclone Michuang in Chennai.
    • Emphasizes the importance of accountability for decisions with visible and hidden consequences.
    • Raises concerns about the practice of prolonged electricity cutoffs after a natural disaster, especially for vulnerable populations like the elderly.

    Key Challenges:

    • Balancing the need for safety measures, such as electricity cutoffs during cyclones, with potential hazards like accidents and security concerns.
    • The complexity of decision-making during a crisis, requiring a dynamic and evolving approach.
    • Striking a balance between conservative choices and potential complications due to inaction.

    monsoon, monsoons, floods, flood evacuation, WHO, WHO India, World Health Organization, COVID-19, flood precautions, COVID appropriate behaviours

    Key Terms:

    • Decision accountability
    • Electricity cutoff
    • Vulnerable populations
    • Dynamic balance
    • Cataclysmic disaster
    • Intellectual and analytical judgment

    Key Phrases for good marks in mains:

    • “Consequences of choices should be accounted for.”
    • “Power disruption poses significant hazards, especially for the elderly.”
    • “Decision-making in a crisis is an extreme test of judgment and personal strength.”
    • “Potential cost of mistakes looms large in a decision-maker’s mind.”

    Key Quotes:

    • “There is no objectively ‘safe’ choice; it is a constantly evolving, dynamic balance.”
    • “A bureaucrat should justify and document decisions in real-time for review.”
    • “Complex decision-making should not become a contest of cheap populism.”

    Key Statements:

    • Decision-makers should justify and document choices in real-time.
    • Accountability is crucial, especially when decisions impact millions.
    • Calls for a hierarchy-based approach in decision-making during crises.

    Key Examples and References:

    • Mentions the 2015 floods in Chennai as a reference to the consequences of decision-making during natural disasters.

    Key Facts:

    • In 2021, Tamil Nadu had 13.8 crore people over the age of 60 years.
    • Chennai metropolitan area’s population is estimated to be over 12 million.

    Key Data:

    • 500,000 people in Chennai are above 60 years old, and over 50,000 are aged 80 or above.

    Critical Analysis:

    • Acknowledges the complexity of decision-making during a natural disaster.
    • Emphasizes the need for a balance between safety measures and potential hazards.
    • Advocates for accountability and periodic reviews of decisions.

    Way Forward:

    • Suggests a hierarchy-based approach with scaled levels of responsibility.
    • Proposes involvement of more than one person in major decision-making.
    • Calls for periodic reviews by an oversight team to challenge and reverse questionable choices.
    • Highlights the importance of fixing responsibility for sub-optimal decisions.

  • Understanding the Psychology and Impact of Plastic Consumption  

    plastic

    Central Idea

    • Pervasiveness of Plastic: Plastic, with its beneficial properties like durability, has become a ubiquitous part of modern life.
    • Environmental Impact: Approximately 50% of plastic is used only once before being discarded, contributing to significant environmental issues, including ocean pollution.

    Psychological Aspects of Plastic Use

    • Consumer Behavior Influence: The omnipresence of plastic shapes consumer choices and behaviors, influenced by marketing strategies, packaging design, and product aesthetics.
    • Packaging and Brand Perception: Packaging plays a crucial role in plastic use, with visual appeal and brand image significantly impacting consumer preferences.
    • Color Psychology in Packaging: The use of color in packaging design evokes specific emotions and expectations, influencing purchasing decisions.

    Convenience Factor and Limited Alternatives

    • Role of Convenience: Plastic packaging’s ability to keep products fresh and hygienic has been a key driver of its market dominance.
    • Lack of Economical Alternatives: The absence of affordable alternatives for food packaging often leaves consumers with no choice but to opt for plastic-wrapped items.

    Pro-Environmental Behavior (PEB) and Plastic Use

    • Understanding PEB: Limiting plastic use and purchase is an example of pro-environmental behavior, influenced by awareness, knowledge, and values.
    • Factors Influencing PEB: Concern about plastic, knowledge of its effects, and the perceived commitment of others to address its impact play roles in shaping PEB.

    Market Trends and Social Influences

    • Impulsive Buying and Social Media: The growth of social media and peer pressure have been linked to increased compulsive buying behaviors, often leading to increased plastic consumption.
    • Influence of Social Norms: Social norms promoting consumption have led to an increase in plastic use, despite its environmental costs.

    Stages of Behavioral Readiness in Plastic Consumption

    Five Stages of Readiness include-

    1. Pre-contemplation,
    2. Contemplation,
    3. Preparation,
    4. Action, and
    5. Maintenance.

    Role of Storytelling and Marketing in Plastic Awareness

    • Emotional Engagement: Storytelling in marketing can emotionally engage customers with the lifecycle of plastic items, enhancing environmental awareness.
    • Positive and Negative Impacts: Marketing power can influence consumer behavior both positively and negatively in the context of plastic use.
    • Objective vs. Subjective Knowledge: Understanding the specifics of an issue (objective knowledge) versus personal belief or awareness (subjective knowledge) influences behavior.
    • Barriers to Action: Lack of personal connection, gradual environmental impact, moral disengagement, and immediacy issues are barriers to taking action against plastic pollution.

    Way forward

    • Role of Education and Design: Knowledge is crucial, but behavioural change also depends on product design that encourages environmentally friendly choices.
    • Supplier and Retailer Responsibility: Minimizing packaging, using recyclable materials, and clear recycling instructions are key steps.
    • Policy Initiatives: Policies raising awareness of plastic pollution’s effects can facilitate a sustainability-focused behavioural shift.
    • Emergence of Sustainable Brands: As consumers increasingly look to brands for sustainable options, there is a growing market for environmentally conscious products.

    Conclusion

    • Critical Role of Habit Change: Altering consumer habits is essential for environmental protection, requiring a multifaceted approach involving education, policy, and market innovation.
    • Sources: Insights drawn from the Sustainability and Consumer Behaviour Report 2022 by Deloitte United Kingdom and research by Mittali Tyagi, PhD Scholar at Manav Rachna International Institute of Research and Studies.

  • Self-pollination in Field Pansy Flower  

    Field Pansy Flower

    Central Idea

    • Researchers have found that a flower species in Paris, the field pansy (Viola arvensis), is evolving rapidly, exhibiting reduced nectar production and smaller flower sizes.
    • This study aims to understand the impact of these evolutionary changes on plant-pollinator interactions.

    Changing Nature of Field Pansy

    • Decreased Nectar and Size: The wild pansy variety in Paris showed a 20% reduction in nectar production and a 10% decrease in flower size.
    • Comparative Analysis: Scientists compared current flower growth with seeds from 20-30 years ago, observing notable changes.
    • Adaptation to Pollinator Decline: The evolution towards self-pollination in field pansies is attributed to the decreasing availability of insect pollinators.
    • Experimental Design: The study employed the “resurrection ecology” method, planting seeds from the 1990s and 2000s alongside their 2021 descendants.

    Implications of Self-Pollination and Evolutionary Shifts

    • Contrast with Angiosperm Convention: The move towards self-pollination deviates from the typical reliance of angiosperms on insects for pollination.
    • Long-Term Coevolution: The traditional plant-insect relationship, involving nectar production for pollination, has evolved over 100 million years.
    • Genetic Analysis: Population genetics analysis revealed a 27% increase in selfing rates, with consistent trait shifts across studied populations.

    Concerns and Potential Consequences

    • Short-Term Benefits, Long-Term Risks: While self-pollination may offer short-term advantages, it poses long-term survival threats to plants amid environmental changes.
    • Feedback Loop Risks: Reduced nectar production could lead to further declines in pollinator populations, creating a detrimental eco-evolutionary feedback loop.
    • Network Degradation: The study highlights the degradation of plant-pollinator networks, as observed in previous research.

  • What are Polar Stratospheric Clouds (PSCs)?

    Polar Stratospheric Clouds (PSCs)

    Central Idea

    • Residents in the Arctic have witnessed an extraordinary atmospheric display of Polar Stratospheric Clouds (PSCs).

    Polar Stratospheric Clouds (PSCs)

    Details
    Formation and Location Form in the polar stratosphere at altitudes of 15,000–25,000 meters; common over Antarctica and the Arctic.
    Temperature Conditions Require extremely cold temperatures, typically below −78°C (−108°F).
    Types Type I: Composed of water and nitric acid.

    Type II: Made almost entirely of water ice.
    Role in Ozone Depletion Facilitate chemical reactions that produce chlorine and bromine compounds, leading to ozone destruction.
    Appearance Iridescent, shimmering pastel colors, leading to their nickname “nacreous” or “mother-of-pearl” clouds.
    Observation Visible during twilight, illuminated from below by the Sun.
    Research and Monitoring Studied for impact on ozone depletion and climate change; monitored via satellites and ground stations.
    Environmental Concern Linked to human-made chemicals like CFCs; subject to international regulation like the Montreal Protocol.
    Climate Change Connection Research ongoing into how climate change might affect PSCs’ frequency and distribution.
    Discovery and Study History Observed since the 19th century; their role in ozone depletion understood in the 1980s.

  • Rediscovery of Namdapha Flying Squirrel in Arunachal Pradesh

     

    Namdapha Flying Squirrel

    Central Idea

    • The Namdapha flying squirrel, missing for 42 years, has been sighted again in Arunachal Pradesh.
    • This rare species was last documented in 1981 in the Namdapha Tiger Reserve.

    Namdapha Flying Squirrel

    Details
    Species Name Namdapha Flying Squirrel (Biswamoyopterus biswasi)
    Type Arboreal, nocturnal flying squirrel
    Endemic Region Arunachal Pradesh, Northeast India
    Habitat Tall Mesua ferrea jungles, often on hill slopes in the catchment area of the Dihing River, northeastern India
    First Discovery Known from a single specimen collected in Namdapha National Park in 1981
    Physical Description – Reddish, grizzled fur with white above

    – Pale grey crown, orangish patagium, white underparts
    Genus Significance Was the sole member of its genus until the discovery of other species like Biswamoyopterus laoensis (2013) and Biswamoyopterus gaoligongensis (2018)
    Conservation Status IUCN Status: Critically Endangered

    Wildlife Protection Act Status: Schedule I
    Threats Threatened by poaching and possibly habitat destruction

  • Volcanic Eruption in Iceland

    Iceland

    Central Idea

    • A volcanic eruption occurred near Iceland’s capital between Sýlingarfell and Hagafell, near the town of Grindavik on the Reykjanes Peninsula.

    Iceland: ‘Land of Fire and Ice’

    • Geographical Location: Iceland is situated just south of the Arctic Circle in the North Atlantic Ocean.
    • Tectonic Setting: The country lies on the Mid-Atlantic Ridge, marking the boundary between the North American and Eurasian tectonic plates.
    • Unique Landscape: Iceland’s landscape features geysers, glaciers, mountains, volcanoes, and lava fields, housing 33 active volcanoes – the highest number in Europe.
    • Historical Settlement: The first human settlement in Iceland dates back to 874 by Norsemen from Scandinavia, leading to the founding of Reykjavik.

    Recent Volcanic Activity on the Reykjanes Peninsula

    • Historical Dormancy: The Reykjanes Peninsula had not experienced volcanic eruptions for 800 years until recently.
    • Recent Eruptions: The current eruption is the fourth in less than three years on the peninsula, indicating a potential new era of volcanic activity.
    • Eyjafjallajokull Eruption: The last major volcanic event in Iceland that gained global attention was the 2010 eruption of Eyjafjallajokull.
    • Eruption Timeline and Impact: The volcano erupted twice in March and April 2010, spreading an ash cloud across continents and disrupting air traffic on the North Atlantic route for six days – the longest disruption since World War II.

  • Outcomes of COP28: Progress and Challenges in Climate Action

    COP28

    Central Idea

    • Annual Climate Summit: The 28th session of the Conference of the Parties (COP28) was held in Dubai, under the United Nations Framework Convention on Climate Change (UNFCCC).
    • High Expectations: There were significant expectations for countries to take decisive steps in addressing the climate crisis.
    • Key Focus Areas: Discussions at COP28 revolved around mitigation, adaptation, finance, and the differing responsibilities of developed and developing nations.

    Early Developments: Loss and Damage Fund

    • COP27 Agreement Follow-up: After agreeing to create the ‘Loss and Damage’ (L&D) fund at COP27, COP28 focused on its operationalization.
    • Funding Challenges: Despite the need for substantial funding, contributions have been limited, with the U.S. pledging only $17.5 million.
    • Administration and Access Concerns: The World Bank’s role in overseeing the fund raised issues regarding access, legal autonomy, and responsiveness to emergencies.

    Emissions Reduction and Energy Transition

    • Global Stocktake Findings: The first global stocktake (GST) assessed progress towards the Paris Agreement goals.
    • Fossil Fuel Transition: A commitment was made to move away from fossil fuels in energy systems, to triple renewable and nuclear energy capacity by 2030.
    • Continued Use in Other Sectors: Fossil fuels remain in use in sectors like plastics, transport, and agriculture.
    • Transitional Fuels and Climate Justice: The acceptance of natural gas as a transitional fuel was seen as a compromise on climate justice.

    Financial Mechanisms for Climate Action

    • Developed Nations’ Responsibility: The GST framework emphasized the leading role of developed nations in climate finance.
    • Private Sector Involvement: The role of private investment in addressing financial gaps was acknowledged.
    • Green Finance Initiatives: New mechanisms, including a $3.5 billion boost to the Green Climate Fund, were established to support sustainable practices in developing countries.

    India’s Stance on Climate and Health Declaration

    • UAE Declaration on Climate and Health: This declaration, partnered with the World Health Organisation, was signed by 123 countries but not by India.
    • India’s Concerns: India refrained from signing due to potential impacts on its growing healthcare infrastructure and the need to prioritize healthcare requirements.

    Global Methane Pledge and India’s Position

    • Renewed Focus on Methane: The pledge received attention with over $1 billion in new grants for methane reduction projects.
    • India’s Non-Participation: India did not sign the pledge, focusing instead on carbon dioxide emissions and considering the livelihood implications of methane reduction in agriculture.

    Assessment of COP28: Achievements and Shortcomings

    • Positive Developments: Notable achievements included the climate and health declaration, emphasis on nature-based solutions, and commitments to sustainable food systems.
    • Contentious Issues: Disagreements persisted over fossil-fuel subsidies, the role of the World Bank in the L&D fund, and private sector engagement in climate action.
    • Mixed Outcomes: While renewable energy targets marked progress, unresolved issues regarding L&D, fossil fuel use, and transitional fuels indicated ongoing challenges.

    Conclusion

    • Balancing Act: COP28 showcased the intricate balance between ambitious climate goals and the practical realities of economic and social factors.
    • Continued Dialogue: The outcomes reflect the need for ongoing dialogue and collaboration to address the multifaceted aspects of climate change and sustainable development.