Noah Smith at Noahpinion:
A number of things have changed regarding climate change over the last 13 years. On the negative side, annual emissions continued to increase slowly or maybe plateau, leading to continued warming. This has increased the risk of wildfires, extreme heat events, and floods, and it means that the dream of holding warming below 1.5C is now basically gone. On the positive side, better climate models have all but ruled out the more extreme “apocalypse” scenarios. And more Americans believe in the reality of climate change and are concerned about its impacts.
But the most important change, by far, is the advent of cheap renewable energy, particularly solar power and batteries.
More here.