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State of Climate Services Report 2021

  • Category
    Environment
  • Published
    14th Oct, 2021

Context

The World Meteorological Organization (WMO) releases a new 2021 State of the Climate Services report for 2021.

Key-findings

  • In 2018, an estimated 3.6 million people worldwide had less than one month of water a year, expected to exceed five billion by 2050.
    • Rising temperatures are causing global and regional rainfall changes, leading to changes in rainfall patterns and agricultural seasons, which have a significant impact on food security and human health and well-being.
  • Water-related disasters: Water-related disasters have increased dramatically since 2000
    • Flood-related disasters have increased by 134 percent over the past two decades.
  • Terrestrial water storage (TWS): TWS decreased by 1 cm per year for 20 years (2002-2021).
    • The biggest losses have occurred in Antarctica and Greenland.
  • Over the past year, heavy rains across the continent caused severe flooding in Japan, China, Indonesia, Nepal, Pakistan and India. Millions were displaced and hundreds were killed.

Scenario in India

  • India has recorded the highest losses in groundwater storage if the loss of water storage in Antarctica and Greenland is not included.
    • According to the report, India has the highest loss rate for TWS.
      • The northern part of India has suffered the highest losses in the country.
  • The average annual water supply was reduced to 1,545 cubic meters in 2011, from 1,816 cubic meters in 2001.
    • It is expected to drop further to 1,367 cubic meters by 2031.
  • Five basins of 21 rivers are ‘water shortages’ (water supply per person less than 1,000 cubic meters) and three ‘water pressures’ (water supply per person below 1,700 cubic meters).
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