A science fiction author whose blog I follow is optimistic that we will take some action to address climate change. I'm not optimistic at all. I think homo sapiens is already extinct, we just don't know it yet -- rather like Wile E. Coyote running off a cliff. Why? Because of Upton Sinclair. In "How I Ran For Governor of California and Got Licked," he wrote: "It is difficult to get a man to understand something when his salary depends upon his not understanding it." Why? Because evolution drives organisms to seek short term benefit for the most part. There are exceptions (like bees) but they are few and far between. For the most part, doing things that are detrimental in the short term but beneficial in the long term is a good way to not pass down your genes to subsequent generations. Why? Because of the Tragedy of the Commons, which is little more than the previous point written into human society. Few people will tolerate it if power does not come out of...