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The Arctic Could Be Functionally Ice-Free in Just a Few Years
(www.scientificamerican.com)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
Do note the article is about a comment in 2009 while I describe something from 2008. You would expect him to make that mistake once - not repeatedly :) Feel free to check the Youtube clip. The words "quick fact" are relevant.