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Communications of the ACM

Editor's letter

Computing's Grand Challenge for Sustainability

Andrew A. Chien, past Editor-in-Chief of CACM

In 2022, climate change has arrived with a vengeance, evidenced by deadly heatwaves in the U.S., U.K., and Europe. We have seen deadly and environment-destroying wildfires in France, Spain, Portugal, Hungary, and the southwestern U.S. And across the world, the increasing weather extremes due to climate change are producing both widespread droughts, and ironically, torrential flooding.

It's self-evident that "Climate change is everyone's problem, and no one can hide from it." This is an "All-hands on deck" problem. The growing chorus sounding this message includes the UN Secretary General,a the International Panel of Climate Change, governments of nations worldwide,b and of course Greta Thunberg.c


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