Most geologists, including those in the energy business, take a REALLY long view of the earth's history including global warming and cooling cycles. Within the framework of geologic time, i.e. the earth's history, man is a very late entry and relatively small contributor to climate changes. The current debate concerning global warming is well publicized. It features histrionic presentations of data on both sides of the issue usually by writers or politicians, with no scientific background, "interpreting" volumes of data gathered by true scientists. The arguments, for and against, have been going on for about 40 years. The earth is...