Global warming?

Bill Bell, a Canadian geologist, took out a full page ad in a local Canadian paper:

http://wattsupwiththat.files.wordpress.com/2009/12/billbell.pdf

It is mind boggling that millions of people around the world should get so concerned about a temperature increase of one degree over the past one hundred years that they are prepared to live in poverty if necessary to try to correct it. Why are responsible people not speaking out? Millions could die of economic starvation rather than global warming.