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 >