Letter of the Day: Climate change is 'idiotic' obsession

Too bad that, despite the assault on biological diversity that the Nature Conservancy Council says we human beings are visiting upon the Earth (Nature losing ground despite conservation, SP, Aug. 25), Chicken Little hasn’t gone extinct but, rather, seems to be thriving! Biologist Dan Kraus covers much ground that I agree with. But then he says “our natural species are also facing new threats such as … climate change that unknown 20,000 days ago.” He did mean days, not ye