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Climate Change 2021: The Physical Science : IPCC

IPCC Released Its Sixth Assessment Report “Climate Change 2021: The Physical Science:

IPCC released its Sixth Assessment Report “Climate Change 2021: The Physical Science”.

  • Several Indian Scientists have participated in the preparation of this report.
  • The Sixth Assessment Report (AR6) of the United Nations Intergovernmental Panel on Climate Change (IPCC) is the sixth in a series of reports intended to assess scientific, technical, and socio-economic information concerning climate change.
  • This report evaluates the physical science of climate change – looking at the past, present, and future climate.
  • It reveals how human-caused emissions are altering our planet and what that means for our collective future.

Highlights of Sixth Assessment Report (AR6):

  • Weather and climate events – such as extreme heat, heavy rainfall, fire conditions, and droughts – are becoming more severe and frequent because of climate change.
  • The report finds we are already edging closer to a 1.5 degrees Celsius warmer world, and every day emissions rise the prospects for averting the worst impacts of climate change become dimmer.
  • Carbon dioxide has been and will continue to be the dominant cause of global warming under all greenhouse gas emissions scenarios.
  • It says, if greenhouse gas emissions are halved by 2030 and net zero by 2050, global warming can be stopped.
  • Also, IPCC report vindicates India’s position that historical cumulative emissions are the source of the climate crisis that the World faces today.
  • The report highlights that our climate is rapidly changing due to human influence and is already altering our planet in drastic ways –
    • Arctic Sea ice is at its lowest level in more than 150 years;
    • Sea levels are rising faster than at any time in at least the last 3,000 years; and
    • Glaciers are declining at a rate unprecedented in at least 2,000 years.

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