Why politics limits climate ambitions | opinion
With the exception of Australia, big, developed countries made stronger commitments to cut emissions by 2030: the US, a 50 per cent reduction; the EU, 55 per cent; Japan, 46-50 per cent; Canada, 40-45 per cent; the UK, 68 per cent. Yet none of these countries has the policies in place, so far, to deliver these targets. So they will need to be held to account.
What do these changes mean in aggregate? The Climate Action Tracker study estimates that the new 2030 targets could mean the world is on course for a temperature rise of nearer 2.4C. If you assume long-term goals will be met, then it might be more like 2.1C — which is much better than if there had been no action, but not nearly enough to put us on track for 1.5C.
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