Greenhouse?
I remember one day many years ago, reading a UPI article in the newspaper on green house effects. Several pages later, same paper, same day was an AP article on the same subject. Both cited studies on the greenhouse effect. BUT, one claimed that contaminants in the atmosphere blocked the sun's rays and we were seeing a cooling effect. The other claimed that contaminants in the atmosphere trapped the sun's heat and were getting an overall warming effect. I imagine the authors of both studies examined the same historical data to arrive at their conclusions.
(Insert sage comment here...)
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