Current Affairs

UNEP Report Highlights Risks of Global Warming Temperature Overshoot

Source:Indian Express ↗

આ શા માટે મહત્વનું છે

Understanding the concept of 'temperature overshoot' and UNEP findings is crucial for evaluating global climate governance, mitigation vs. adaptation strategies, and India's commitments under the Paris Agreement.

સારાંશ

The article discusses the United Nations Environment Programme (UNEP) report addressing the imminent threat of global warming temporarily or permanently exceeding the 1.5°C threshold (climate overshoot). It examines the implications of an overshoot scenario, the risks of relying on carbon dioxide removal technologies, and the urgent necessity for more aggressive climate action to avoid catastrophic tipping points.

મુખ્ય મુદ્દા

  • The UNEP report highlights the growing likelihood of the world temporarily overshooting the 1.5°C global warming target set under the Paris Agreement.
  • An overshoot period involves cumulative greenhouse gas emissions pushing global temperatures past 1.5°C before attempting to bring them back down through carbon dioxide removal (CDR) and deep mitigation.
  • The report emphasizes that relying heavily on unproven or risky CDR technologies poses massive ecological and socio-economic challenges.
  • Immediate and steep emission cuts remain vital because every fraction of a degree of warming avoided limits irreversible climate damage, tipping points, and extreme weather events.

મહત્વપૂર્ણ શબ્દો

Paris Agreement

A legally binding international treaty on climate change adopted in 2015, aiming to limit global warming to well below 2°C and pursue efforts to keep it to 1.5°C above pre-industrial levels.

UPSC context

UPSC GS Paper III: Environment, Biodiversity, and Climate Change. Important for understanding global governance frameworks, Nationally Determined Contributions (NDCs), and mitigation goals.

Source
UNEP

The leading global environmental authority established in 1972, headquartered in Nairobi, which sets the global environmental agenda and publishes critical assessments like the Emissions Gap and Overshoot reports.

UPSC context

UPSC Prelims/Mains: International organizations, UN bodies, and reports evaluating global environmental compliance and policy trends.

Source
Intergovernmental Panel on Climate Change (IPCC)

The United Nations body established to assess climate change science, providing rigorous scientific evaluations on human-induced climate risks, socioeconomic impacts, and mitigation pathways to policymakers.

UPSC context

UPSC GS Paper III: Climate change assessment mechanisms, scientific basis of environmental conventions, and policy formulation inputs.

Source

સંલગ્ન સ્થિર ખ્યાલો

Environment and Ecology Climate Change

What are the core mechanisms and principles of the UNFCCC and Paris Agreement regarding global warming thresholds?

  • Temperature Goal: The Paris Agreement aims to hold global temperature rise to well below 2°C above pre-industrial levels and pursue efforts to limit it to 1.5°C.
  • NDCs: Nationally Determined Contributions (NDCs) embody efforts by each country to reduce national emissions and adapt to the impacts of climate change.
  • CBDR-RC Principle: CBDR-RC principle acknowledges historical responsibilities and respective capabilities of developed and developing nations in climate action.

આંતર-વિષય પેટર્ન

  • UNEP Reports & UNFCCC Financial Architecture

    UNEP's oversight frameworks intersect directly with UNFCCC finance architecture, testing the operationalization of Loss and Damage funds versus mitigation financing under Article 6.

UNEP overshoot reports + CDR limits frequently appear as statements testing the reversibility of tipping points in Prelims.

સંલગ્ન PYQ · 3

સંલગ્ન PYQ · 3

  • 2025MainsGS3

    Write a review on India's climate commitments under the Paris Agreement (2015) and mention how these have been further strengthened in COP26 (2021). In this direction, how has the first Nationally Determined Contribution intended by India been updated in 2022?

  • 2022MainsGS3

    Discuss global warming and mention its effects on the global climate. Explain the control measures to bring down the level of greenhouse gases which cause global warming, in the light of the Kyoto Protocol, 1997.

  • 2023MainsGS3

    The Intergovernmental Panel on Climate Change (IPCC) has predicted a global sea level rise of about one metre by AD 2100. What would be its impact in India and the other countries in the Indian Ocean region?