Yes, global warming systemically caused Hurricane Sandy — and the Midwest droughts and the fires in Colorado and Texas, as well as other extreme weather disasters around the world. Let’s say it out loud, it was causation, systemic causation.
Systemic causation is familiar. Smoking is a systemic cause of lung cancer. … More >
Economists talk about something called the “social cost of carbon.” Here’s the basic idea: You may pay for the gas you put in your car, but when you burn it, you emit carbon dioxide, which imposes costs on the rest of society by accelerating the pace of climate change. The … More >
Missouri Representative Todd Akin’s views about rape and pregnancy are crazy, and he deserves his current political plight. The irony is that Akin is by no means the most extreme of the current crop of Senate candidates. In fact, in a recent blog post, I decided not to lump him … More >
Call me a converted skeptic. Three years ago I identified problems in previous climate studies that, in my mind, threw doubt on the very existence of global warming. Last year, following an intensive research effort involving a dozen scientists, I concluded that global warming was real and that the prior … More >
Scientists are more confident than ever that climate change is happening and is largely caused by human activities. Yet, according to a recent poll, the American public is less likely to believe that climate change is caused by humans than they were even last year. When it comes to climate … More >
In my last post, I told you that Berkeley Physics professor Richard Muller is the go-to guy for proof of anthropogenic* climate change. Maybe that strikes you as odd. Why would I look to a physicist for information about our atmosphere? Shouldn’t we be talking with UC Berkeley’s Atmospheric Sciences … More >
Climate denialists contend that climate science is either the result of a conspiracy of some kind or of groupthink plus institutional incentives to support alarmist predictions. The conspiracy theory makes even less sense than most conspiracy theories, because there would have to be hundreds, perhaps thousands … More >