The author and activist Bill McKibben says 350 is the most important number in the world. The amount of CO2 in the atmosphere has to fall to 350 parts per million to avoid 'huge and irreversible damage'. It currently stands at 387 ppm.
'What we need most right now are on-the-ground examples for how to take the number 350 and drive it home: in art, in music, in political demonstrations, in any other way you can imagine.'
The bold attempt to solve the toughest mystery at the heart of physics
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Finding out whether gravity – and therefore space-time itself – is quantum
in nature has long been thought impossible. But innovative new ideas might
be ab...
1 hour ago
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