Another New Study Says Warming And CO2-Induced Greening Leads To COOLING Of Land Surface Temperatures
By Kenneth Richard on 21. January 2021
Since the 1980s, warming and rising CO2 fertilization have spawned a global-scale greening trend. This leads to an “Earth greening-induced cooling effect†of land surface temperatures.
In the last 9 months we have highlighted a study (Haverd et al., 2020) asserting rising CO2 and warming are the dominant drivers of Earth’s strong post-1980s greening trend. This greening expands Earth’s carbon sink so profoundly that by 2100 the greening of the Earth will offset 17 years (equivalent) of anthropogenic CO2 emissions.
In August we featured another study, Piao et al., 2020, that expands upon these same principles, further suggesting the net effect of more CO2-driven greening is more cooling and carbon sink expansion.
Since the 1980s, 29% of human CO2 emissions were cancelled out by the CO2-induced greening of the Earth. The post-2000 vegetative greening expansion has been so massive (5.4 million km²) its net areal increase is equivalent to a region the size of the Amazon rainforest.
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