While recent letter writer John Perreault expresses his expertise in the subject of climate change and thereby dismisses the possible negative consequences, consider this:

On Wikipedia (under the title global warming), “basic conclusions have been endorsed by more than 40 scientific societies and academies of science, including all of the national academies of science of the major industrialized countries.”

Secondly, what if he is wrong?

Rick Gnehm, Bellevue