Statements about climate trends must be based on, er, trends. Not individual events or occurrences. Weather is not climate, and anecdotes are not statistics.

Statements about climate trends must be based on, er, trends. Not individual events or occurrences. Weather is not climate, and anecdotes are not statistics.

Although not initially of his own choosing, Michael Mann has been the most important, resilient, and outspoken warrior in the climate battle--responding to threats and persecution with courage and resolve every step of the way. Anyone who cares about the climate issue must read his fascinating--and enraging--story.

I think that the world will continue trying to grapple with the climate problem, no matter who is U.S. president. But I think that, depending on who that president is, it can have a significant influence on the trajectory.

The Obama administration kind of shows how you can use diplomacy to bring the most important countries together and get the whole world on board.

I think, domestically, one of the most interesting things that you would see under Presidenr Hillary Clinton is going to be the big energy infrastructure transition.

The obvious reductio ad absurdum is Holocaust deniers: Should their perspective be provided, for "balance," any time someone writes about the Holocaust?