New Republic: Climate scientists are pretty good at figuring out the causes of long-term trends. We know that dumping greenhouse gases into the atmosphere will make global temperatures rise over time. But pinning down the cause of any single weather event--a specific heat wave, hurricane, or drought--is much more challenging, since extreme things could still happen without global warming. That's why scientists are so reluctant to say that any particular event happened "because of" climate change.
Nevertheless,...