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Mahesh

21/03/23 08:31 AM IST

IPCC AR 6 Synthesis Report

In News
  • India recently welcomed a new report by the Intergovernmental Panel on Climate Change, saying it endorses the country's call for equity and climate justice.
Major Findings
  • The report recognizes the interdependence of climate, ecosystems and biodiversity, and human societies; the value of diverse forms of knowledge; and the close linkages between climate change adaptation, mitigation, ecosystem health, human well-being and sustainable development, and reflects the increasing diversity of actors involved in climate action.
  • The report reinforces the scientific view that CO2 is the primary GHG and needs to be drastically reduced.
  • The report mentions that for every 1000 GtCO2 emitted by human activity, global surface temperature rises by 0.45°C (best estimate, with a likely range from 0.27 to 0.63°C).
  • The remaining carbon budgets from the beginning of 2020 are 500 GtCO2 for a 50% likelihood of limiting global warming to 1.5°C and 1150 GtCO2 for a 67% likelihood of limiting warming to below 2°C. Reaching net zero CO2 or GHG emissions primarily requires deep and rapid reductions in gross emissions of CO2, as well as substantial reductions of non-CO2 GHG emissions.
  • The Report notes that Climate change has caused widespread adverse impacts and related losses and damages to nature and people that are unequally distributed across systems, regions and sectors.
  • The Report also notes that without urgent, effective, and equitable mitigation and adaptation actions, climate change increasingly threatens ecosystems, biodiversity, and the health and wellbeing of current and future generations.
  • Accelerated mitigation and implementation of adaptation actions in the near-term would reduce projected losses and damages for humans and ecosystems.
  • The Synthesis Report echoes  Prime Minister’s vision for “LiFE”, or Lifestyle for Environment, which is a global mass movement for promoting environmental friendly lifestyle to protect and preserve the environment.
Suggestions
  • Reduce emissions sharply and give up fossil fuels, through investments in renewable energy and other low-carbon technologies, increase energy efficiency, rethink agriculture and restore forests and degraded natural landscapes.
  • It may also be necessary to develop technologies that suck carbon dioxide from the air, called “direct air capture”, or explore other means of “climate repair”.
Source- PIB

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