In his popular film An Inconvenient Truth (Guggenheim 2006), Al Gore identifies anthropogenic climate change as the most menacing threat to the future of life on Earth, and he describes that threat specifically as a moral problem: an uninhabitable planetary environment would be an immoral outcome of human behavior. That outcome must be avoided which means, he argues, that a low-carbon trajectory for future human development must be charted without delay. His call-to-action then advocates, among many other things, fast-tracking clean (...) energy technologies and galvanizing the necessary international political will to get climate change under control. Gore is quite correct to identify climate change as an .. (shrink)