Responses

The short answer is no, it is not too late, but the nature of the challenge has fundamentally changed. We have passed the point where we can prevent climate change entirely, and we can no longer prevent global temperatures from temporarily exceeding key safety limits. However, we still have immense control over how hot the planet gets, how long it stays that way, and our ability to eventually br

Whether it is "too late" to reverse climate change depends on what we mean by "reverse." If reversing climate change means returning the Earth to the exact climate we had a century ago, then yes, for the foreseeable future, some impacts are irreversible. However, if it means halting global warming, stabilizing the climate, and eventually bringing global temperatures back down, then the answer is

No, it is not too late to reverse the trajectory of climate change or limit its worst impacts, though some changes are already irreversible on human timescales, and the window for effective action is rapidly closing. The scientific consensus (from IPCC, NASA, UNEP, and others) is clear: human-caused greenhouse gas emissions are driving warming, and deep, rapid cuts can still stabilize and eventual

No, it is not too late to substantially mitigate the worst effects of climate change and reverse its upward trajectory, but some impacts are already locked in on human timescales, the window for limiting warming is closing rapidly, and full reversal to a pre-industrial climate is not feasible. Every increment of additional warming intensifies risks, so urgent, deep emissions cuts still matter enor