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Pastimes : All Things Weather and Mother Nature
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From: Don Green5/10/2022 11:17:57 AM
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Earth Has a 50-50 Chance of Hitting a Grim Global Warming Milestone in the Next Five Years

The World Meteorological Organization projects global temperatures will briefly break the 1.5 degrees Celsius warming mark soon, but that won’t mean it’s broken the Paris Agreement limit.

As likely as not, the Earth’s average annual temperature will soon have its first spike above the 1.5 degree Celsius cap set for post-Industrial Revolution warming by the 2015 Paris Agreement, according to a new five-year climate outlook from the World Meteorological Organization. Greenhouse gas emissions have continued to increase since the pact was signed, and the WMO found there is now a 50-50 chance that the world will temporarily cross the 1.5-degree threshold sometime in the next five years.

The WMO projection is the latest in a grim drumbeat of climate science reports showing that the world is still failing to hold warming to a level that could avoid even more catastrophic climate impacts than the increasing heat waves, droughts, wildfires and tropical storms that the current level of warming, about 1.1 degrees Celsius above the pre-industrial level, has spawned.

A single year of warming above 1.5 degrees Celsius (2.7 degrees Fahrenheit) doesn’t mean that the threshold of the Paris agreement has been breached for good, said Leon Hermanson, a climate scientist with the Met Office in the United Kingdom who led the report. But the report shows the world is “edging ever closer to a situation where 1.5 degrees could be exceeded for an extended period,” he said. insideclimatenews.org
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