TNPSC Thervupettagam

Climate Change: Greenhouse gas, sea level rise

May 22 , 2022 793 days 552 0
  • Four key climate change indicators all set new record highs.
  • Greenhouse gas concentrations, sea level rise, ocean heat and ocean acidification all set new records.
  • Covid-19 lockdowns had had no impact on atmospheric greenhouse gases concentrations.
  • Global mean sea level reached a new record high in 2021, rising an average of 4.5 millimetres per year throughout 2013 to 2021.
  • This is more than double the average annual rise of 2.1 mm per year between 1993 and 2002.

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