Back in May, Swiss start-up Climeworks unveiled a massive machine that sucks carbon dioxide out of the sky.

Photo by Julia Dunlop/Climeworks.

The idea? To not just slow climate change, but reverse it.

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On Oct. 24, 2016, thousands of Iceland's women stopped working at 2:38 p.m.

At the time, the country's men were earning an average of 18% more for doing the same jobs.

So women decided they were going to work 18% fewer hours (hence walking off the job at 2:38 p.m.) for a day to prove a powerful point.

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Iceland's newest political party — the Pirate Party — is proof that peaceful political revolutions might just be possible.

On Oct. 29, 2016, Iceland held a historic parliamentary election, and the results were pretty indicative of the political turmoil rocking Iceland right now. The ruling Progressive Party lost more than half of its seats in the election, which was sparked by anti-government protests earlier this year after Iceland Prime Minister Sigmundur David Gunnlaugsson resigned for being implicated in the Panama Papers.

Former Prime Minister Sigmundur Gunnlaugsson. Photo by Halldoor Kolbeins/AFP/Getty Images.

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For a modern-day climate scientist, this rock could be magical.

A basalt core with carbonate crystals growing inside. Photo from Annette K. Mortensen/University of Southampton.

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