By Hannah Ryan, CNN

https://www.cnn.com/2022/05/10/world/climate-warming-warning-wmo-intl-scli/index.html

Published 7:48 AM EDT, Tue May 10, 2022

A dry section of the US’ biggest manmade reservoir, Lake Mead, where water levels are rapidly plummeting amid a megadrought.Mario Tama/Getty ImagesCNN—

There’s now a 50:50 chance that the world will surpass a critical threshold of1.5 degrees Celsius of global warmingin the next five years, a new World Meteorological Organization report shows, warning of heating that could have devastating impacts on systems like coral reefs as well as Arctic ice.

The report says that surpassing the limit is likely to be temporary – temperatures could come back down again – but science shows that even a temporary overshoot could bringirreversible changesto the planet.

The report warns that at least one year between 2022 and 2026 will surpass the 1.5C mark and that there is a 93% chance that the period will see the warmest…