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Politics : Climate Change
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To: ryanaka who wrote (426)1/31/2019 4:13:34 PM
From: ryanaka  Read Replies (1) of 853
 
Explainer: How scientists know Earth is warming

With satellites and ice cores, scientists can calculate the planet’s temperature



Temperature readings taken since 1880 have shown that the planet’s global average temperature has been steadily increasing.
NASA GODDARD INSTITUTE FOR SPACE STUDIES


https://www.sciencenewsforstudents.org/article/explainer-how-scientists-know-earth-warming
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