We can have a healthy climate — a climate with zero warming — in our lifetimes. The message for the last 20 years has been that we have to reduce emissions drastically to prevent dangerous climate change of more than 2 degrees C (3.6 F). This strategy would have likely worked when it was first suggested, but we have delayed far too long since then. Now, even stringent emissions reductions allow our warming to at least double and likely triple before finally beginning to cool.
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