An interesting look at whether folks thought we might have global warming forty years back. Short answer: carbon dioxide was well recognized as both increasing and a greenhouse gas, but the effect was offset by particulate pollution, leading some to think we'd be facing global cooling .
We've made huge strides in dealing with particulate pollution (which is a very good thing for us to have done), but not about CO2, which is a good chunk of why we're where we are now with climate change. #ddtb
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What were scientists saying about global warming in 1971?
What did scientists know and say about climate change and global warming in the 1970s? I keep running into claims by modern climate change denialists that scientists in the 1970s firmly predicted…