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The problem is, there’s only so much individuals can currently do. It’s like trying to limit your exposure to PFAS. Because of corporate policy, they’re in our food and water now.
Well I guess Erik the Red's going to be vindicated eventually. >

Greenland was warmer when he settled there. The Vikings were able to farm crops that simply cannot be grown there anymore like wheat.
It has to do with ocean currents more than anything else. The world's climate now is technically warmer overall.