Of course the causal chains ran in all kinds of directions, it was a cat’s cradle, but she could make that point at the end; for now, three minutes each to describe the problem: climate change caused by carbon dioxide and methane released to the atmosphere; knock-on effects very close to releasing vastly larger quantities of CO2 and methane, now cached in the Arctic permafrost and the ocean’s continental shelves; oceans unable to uptake more CO2 and heat; rate of extinctions already as high as at any time in Earth’s history, in terms of actual speed of extinctions per century, thus set now to
...more
