To predict future sea level rise, we need accurate maps of the world's most remote fjords in Greenland and Antarctica
8
votes
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When Greenland was green: Ancient soil from beneath a mile of ice offers warnings for the future
16 votes -
What's up with the ozone layer?
4 votes -
Can we save energy, jobs, and growth at the same time?
5 votes -
A program to reduce Earth's heat capture by injecting aerosols into the atmosphere from high-altitude aircraft is possible, but unreasonably costly with current technology.
9 votes