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   Brad Plumer, Nadja Popovich, and Iris Gottlieb
   The recent IPCC report described the consequences of the Earth warming 1.5 degrees C (2.7 degrees F) above pre-industrial levels. The Earth has already warmed 1 degree C since the 1800’s. How big of a problem is half a degree more? Click the picture below for a look at the enormous consequences. Keep in mind that the Earth will warm more than 1.5 degrees C. That target was the aspiration of the Paris climate negotiations in 2015. But, nations won’t meet that target. Current national/international efforts are more consistent with an increase of 3.1-3.7 degrees C by 2100. “Each time the Earth heats up an extra half degree, the effects aren’t uniform across the planet. Some regions, such as the Arctic, will heat up 2 to 3 times faster.” “The number of extremely hot days around the world … tends to rise exponentially as the global average temperature increases.” The bottom line is that changes fueled by climate change are happening now especially in places like the U.S. They will continue to happen and will get worse. But, we still have an opportunity to mitigate and adapt to the consequences. That opportunity will require courage and bravery. We can’t look to the past. It’s not about making something great again. It’s about making a new future that is more responsive to the planet we live on. It’s an opportunity; we need to take it. It’s happening to us right now.
   Why Half a Degree of Global Warming Is a Big Deal
   2018
   New York Times
   61







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