Clark Williams-Derry

Clark Williams-Derry is research director for the Seattle-based Sightline Institute, a nonprofit sustainability think tank working to promote smart solutions for the Pacific Northwest. He was formerly the webmaster for Grist.

Green Cars

Turning over the new Leaf

How do the Leaf’s emissions stack up?Finally. If you don’t like being dependent on oil — but find that you do need to drive — you’ve got at least one decent option. The Nissan Leaf is the first mass-produced, mass-market …

Climate & Energy

EPA reports massive drop in U.S. greenhouse-gas emissions

Don’t be confused, we’ve got some good news.Photo: Corie HowellCross posted from Sightline’s Daily Score blog. Great Scott, how did I miss this? Late last month, the EPA released a draft greenhouse gas inventory, showing that net climate warming emissions …

Climate Policy

The shaky foundations of free-market environmentalism

Photo: Steve RhodesCross-posted from Sightline Daily. [CORRECTION: As mentioned in the comments under this post on Sightline, this discussion of the “Coase theorem” contains several errors — most notably, that Coase himself did not present his arguments mathematically. In fact, …


Smaller SUVs are safer than bigger ones, but walkability trumps all

If you want to be safe, buying a big SUV won't do it. But living in a place where you don't have to drive so much is a sure bet.


Fewer and fewer young people are driving — but why?

American teenagers simply don't drive as much as they used to. But should we really chalk it up to the internet and the digital revolution?

Business & Technology

Taking Stock of BP

As happens with stock charts, this one is likely to be out of date even before I get this post published.  But here’s Google Finance’s chart comparing the stock price of British Petroleum (in red), an energy-stock index fund (in …

Climate & Energy

The six Americas of climate change

Researchers at George Mason University and Yale broke down U.S. public opinion into six different categories [pdf], based on people’s belief in, and concern about, global warming.  For the nickel version, see the graphic below: Of course, I’m sure there …

Climate & Energy

James Hansen vs. cap-and-trade

NASA climate scientist James Hansen has a new book out about climate policy, with excerpts in this month’s issue of The Nation. And in my view, he’s got a pretty good policy idea: tax carbon, and use the revenue to …

Climate & Energy

NASA climate scientist should come back to earth

Eric’s take on Jim Hansen’s opposition to cap and trade is exactly right.  Hansen is a renowned NASA climate scientist.  But on climate policy, he’s just lost in space.  Now, I’m not going to call Hansen’s support for carbon taxes …