Of course, Al Gore does not explain that within the past several years, one of may issues is that the earth expels green house gases naturally. Volcanos expel dust particulates ,sulfer dioxide, and
other assorted contaminates into the atmosphere. Not to mention there are methane hydrates that emerge from deepsea deposits.
About the polar bears dying off. those that die were from severe storms, and there population has increased ever so slightly over the years.
I for one realize that earth's climate fluccuates a couple of decades ever so often.
Al Gores prize was won merely as a political tool which is not a very honorable action.