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.

We apply fight-or-flight reflexes not only to predators, but to data itself.

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

One of the reasons the United States has actually been reducing its emissions in recent years is actually that there's been a boom in natural gas. It's displacing coal. It emits less carbon dioxide when you burn it. This is not really an Obama policy. It's just something that happened because of technology and the free market.

Even if individual researchers are prone to falling in love with their own theories, the broader process of peer review and institutionalized skepticism are designed to ensure that, eventually, the best ideas prevail.

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.