When you look at what has happened over the last few decades the natural fluctuations point in the opposite direction of what has actually occurred. When they run the models and plug in the man-made pollution, the correspondence is exact. Beyond that, the scale of natural fluctuations has now been far exceeded by the impact of man-made global warming.

The carbon fuels industry-big oil and coal-have a 50-year lease on the Republican Party and they are drilling it for everything it's worth.

I do believe, as my father once said, that "No matter how hard the loss, defeat might serve as well as victory to shake the soul and let the glory out."

Science has a culture that is inherently cautious and that is normally not a bad thing. You could even say conservative, because of the peer review process and because the scientific method prizes uncertainty and penalises anyone who goes out on any sort of a limb that is not held in place by abundant and well-documented evidence.

Cigarette smoking is a significant contributor to global warming!

We can't negotiate the facts. We can't negotiate the truth about the situation. And for those who are too fearful to finish, it can be done and must be done. Make sure we succeed, . . . It is wrong for this generation to destroy the habitability of our planet and ruin the prospects of every future generation.

Incredibly, while these 18 to 20 year-olds cannot legally buy a beer, cannot purchase a bottle of wine and cannot order a drink in a bar, right now they can walk into any gun shop, any pawn shop, any gun show, anywhere in America and buy a handgun.