Sadly, but not surprisingly, President Trump has announced his decision to pull the US out of the Paris Climate Accord. It’s not clear exactly when this can happen…if it’ll actually take the years that some people say (he said he’ll stick to the withdrawal process laid out in the agreement, which could take up to four years, but do you really believe what he says?). He says he wants to ‘renegotiate’ the agreement, something that the leaders of France, Germany, and Italy said was not possible (in a joint statement today). It doesn’t matter though…it sends a message to the world that the US will no longer be a global leader. Other countries will rise up to take that place and will prosper from that.
The NYTimes article linked to above is a good source for more information, as is this article at Wired.