Climate Change Impact on India and World – International Reports, Key Observations, etc.

[op-ed snap] Climate warnings: On unmet emission goals

Note4Students

From UPSC perspective, the following things are important :

Prelims level : Nothing much

Mains level : Need to act on climate change

Context

Two reports of the Intergovernmental Panel on Climate Change (IPCC), on the impact of higher global temperatures on land, oceans and the cryosphere, lend urgency to the task before countries meeting for the UN conference. 

UN conference

  • The member-nations of the UN Framework Convention on Climate Change have been trying to finalize measures under Article 6 of the Paris Agreement to commodify carbon emissions cuts and to make it financially attractive to reduce emissions.
  • The IPCC scientists’ research helps the international community decide on actions to reduce greenhouse gas emissions.
  • They are worried that even under the most optimistic scenarios, human health, livelihoods, biodiversity and food systems face a serious threat from climate change. 

Climate change

  • In the case of oceans and frozen areas on land, accelerated rates of loss of ice, particularly in Greenland, the Arctic and the Antarctic, will produce a destructive rise in sea levels.
  • Increases in tropical cyclone winds, rainfall, and extreme waves, combined with relative sea-level rise, will exacerbate catastrophic sea-level events.
  • All this will also hurt the health of fish stocks. 
  • For countries with a long coastline, local sea level anomalies that occurred once in a century may become annual events, due to the projected global mean sea level rise over the 21st century. 
  • This is alarming for the 680 million residents of low-lying coastal areas, whose population may go up to one billion by 2050, and for those living in small islands.

Way ahead

  • The new IPCC assessment underscores the need for unprecedented and urgent action in all countries with significant greenhouse gas emissions.
  • The industrialized nations need to provide liberal, transparent funding to developing countries under the Paris Agreement. 
  • The principle of Common But Differentiated Responsibilities and Respective Capabilities, recognize that rich countries reduced the carbon space available to the poor. 
  • The developed world will be focusing in Madrid on creating a global system of accounting for emissions reductions, introducing credible carbon markets, and making some of the gains from these markets available to developing nations to invest in green energy. 
  • Scientists have a high degree of certainty on losses that will arise from climate change. There must be steady progress in addressing the damage. 
  • Even with the highest resolve, the existing Nationally Determined Contributions filed under the Paris Agreement fall short and need augmenting. 
  • There is a gap between planned emissions cuts, and what needs to be done by 2030 to contain global temperature rise at 1.5°C.
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