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Scientific American

What Will We Do When the Sun Gets Too Hot for Earth's Survival?

25 Nov 2019, 12:00 UTC
What Will We Do When the Sun Gets Too Hot for Earth's Survival? NASA/GSFC/SDO

Ecclesiastes was not accurate when he stated that “there is nothing new under the sun.” In about a billion years the sun will brighten up so much that it will boil off Earth’s oceans. This raises concerns for people who think long-term, such as the BBC radio reporter who asked me recently for my thoughts on how to mitigate this risk for the future of humanity.

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