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Current Affairs

IPCC report

Date: 26 September 2019 Tags: Climate Change


The Intergovernmental Panel on Climate Change (IPCC) , the apex referee for scientific evidence on the impact of global warming  made public a special report  that underlined the dire changes taking place in oceans, glaciers and ice-deposits on land and sea.


Details of report

  • Over the 21st century, the ocean is projected to transition to unprecedented conditions with increased temperatures, further ocean acidification, marine heatwaves and more frequent extreme El Niño and La Niña events.

  • The report updates scientific literature available since 2015, when the IPCC released its comprehensive 5th Assessment Report  which summarises the disastrous impacts of warming based on current projections of global greenhouse gas emissions.

  • The global ocean has warmed unabated since 1970 and has taken up more than 90% of the excess heat in the climate system (high confidence). Since 1993, the rate of ocean warming has more than doubled. Marine heatwaves have very likely doubled in frequency since 1982 and are increasing in intensity.

  • The Southern Ocean accounted for 35%–43% of the total heat gain in the upper 2,000 m global ocean between 1970 and 2017, and its share increased to 45%–62% between 2005 and 2011.

  • The 1.5°C report was a key input used in negotiations at Katowice, Poland last year for countries to commit themselves to capping global temperature rise to 1.5°C by the end of the century.

  • A major impact is on the Hindu Kush Himalayan Regions, where floods will become more frequent and severe in the mountainous and downstream areas of the Indus, Ganges and Brahmaputra river basins, because of an increase in extreme precipitation events.

  • The severity of flood events is expected to more than double towards the end of the century and create destruction.


The Intergovernmental Panel on Climate Change is an intergovernmental body of the United Nations, dedicated to providing the world with an objective, scientific view of climate change, its natural, political and economic impacts and risks, and possible response options.