I sort of feel that climate change will be solved by science. I just feel instinctively that we will find a way of saving ourselves. But I am less confident that we won't destroy ourselves in other ways.
I get some of the nicest fan mail you could imagine. Also when I'm up for an award, my fans all vote online and then they'll boast to each other about how many thousands of times they've clicked my name. Their thumbs must be bleeding!
Another mode of accumulating power arises from lifting a weight and then allowing it to fall.