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

We tried to talk about [the Owls' zone], but it's hard to replicate it. It's nearly impossible to penetrate that zone. What you do get are open outside shots. You're going to have to make some of them.

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.