A recent study of injection wells and earthquakes got a lot of press, but the reports missed an important nuance. The study, published in the June 19 edition of Science, found a definite connection between well injection and earthquakes. But there was an interesting wrinkle:
“The scientists found that disposal wells were 1.5 times … More >
I have read a number of news stories about air pollution in the major Chinese cities recently. A soupy smog of particulates, ozone, sulfur and nitrogen oxides hangs over Beijing, Tianjin and other northern cities. The concentration of particulate matter (PM2.5) in Beijing recently registered at 501 μg/m3, more than 15 … More >
I ran this op ed last week in the Daily Californian:
Today, UC Berkeley and most institutions are financially invested in destroying our future.
This may sound a little bit surprising to some — even unfounded. Let me explain. When it comes to climate change, the scientific community has presented … More >
Let’s face it. The opposition to the Keystone XL pipeline isn’t about dirty oil. It’s about oil. James Hansen and the other leading opponents focus on the greenhouse gases is that will be released when all of the oil in the Canadian tar sands (Canada’s relabeling as “oil sands” just … More >