President Obama got off to a great start last spring when he ordered the biggest single step to curbing global warming — a 35.5 miles-per-gallon standard for cars, SUVs and other light trucks by 2016. His “green stimulus” provisions show that we can protect the environment while building jobs and the economy.

 

But much of the attention has focused on the weak climate legislation stalled in Congress. In the wake of the distressing failure of the Copenhagen climate summit, Obama can ...