The scale of the current global warming is emphasised by news that the Greenland ice sheet reportedly lost 1 m tonnes of ice per minute throughout 2019 (i.e. more than 0.5 m tonnes per annum)(https://www.theguardian.com/environment/2020/aug/20/greenland-ice-sheet-lost-a-record-1m-tonnes-of-ice-per-minute-in-2019). This is an extraordinary addition of water to sea level values as well as being a great reduction in the planet's ability to reflect some of the solar energy back into space. It should make us think seriously about the imminence of tipping points in relation to climate change.
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