Since climate change was first introduced to US politics, most attention and debate have focused on a federal solution, but most actual policy progress has taken place at the state level. States are where everything from cap-and-trade systems to renewable energy mandates have actually become law.
And so it remains today. Most of the buzz in current climate politics, especially with the presidential race beginning to take shape, is around a Green New Deal, a grand, comprehensive set of federal investments and regulations.
But a GND is a long way off, even if everything goes well. Meanwhile, once again, US states are stepping up. The 2018 midterms saw several green-minded governors either elected for the first time or reelected, and they are wasting no time pushing forward.
Let's take a look at the remarkable recent flurry of action in the states.