It's enough to learn from the past. I listen to these folks since decades. They made a political control program out of it (wef) and a big business. Besides this: solar activity is crucial for our climate
The last 10000 years has seen some of the most stable weather earth has known and the ratio of carbon dioxide in the atmosphere was also very stable- until the last 100 years. Where was solar activity over the last 10000 years during this stable period that saw the rise of agriculture, human settlements and civilisation? It is folly to ignore our vulnerability to changes in the ecosystem despite so many of us now living far from direct daily experience of nature.
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