Optimum - RT @PeterDClack: Global temperatures have been falling since the warmer Holocene Climatic Optimum 4,000 years ago. This graph shows steady…

11:05pm PST - March 11th, 2022

RT @PeterDClack: Global temperatures have been falling since the warmer Holocene Climatic Optimum 4,000 years ago. This graph shows steady…

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