Science & Tech

When did scientists first warn humanity about climate change?

Climate change warnings are coming thick and fast from scientists; thousands have signed a paper stating that ignoring climate change would yield “untold suffering” for humanity, and more than 99% of scientific papers agree that humans are the cause. But climate change wasn’t always on everyone’s radar. So when did humans first become aware of climate change and the dangers it poses? 

Scientists first began to worry about climate change toward the end of the 1950s, Spencer Weart, a historian and retired director of the Center for History of Physics at the American Institute of Physics in College Park, Maryland, told Live Science in an email. “It was just a possibility for the 21st century which seemed very far away, but seen as a danger that should be prepared for.” 

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