10 months ago
by AdelleChattre+23 +1
Stopping the flow of carbon dioxide into the atmosphere is not enough. It has to be sucked out, too.
4 months ago
by rexall+7 +1
If you managed to time travel back to Ice-Age Europe, you might be forgiven for thinking you had instead crash-landed in some desolate part of the African savannah. But the chilly temperatures and the presence of six-ton shaggy beasts with extremely long tusks would confirm you really were in the Pleistocene epoch, otherwise known as the Ice Age. You’d be visiting the mammoth steppe, an environment that stretched from Spain across Eurasia and the Bering Strait to Canada.