Most discussions of global warming, or “climate change,” proceed on the assumption that warming is bad, and only bad—for people, for animals, and for plants. That assumption is mistaken. While global warming will almost certainly bring some harms to some locations, it will also almost certainly bring some benefits to other locations. Indeed, in some places it will almost certainly bring both harms and benefits. Understanding a very basic element of “greenhouse” warming theory will help us … [Read more...]