The president is considering a ban on aluminum imports from Russia. His administration should couple that ban with support for low-carbon U.S. aluminum production.

But where private-sector bankers faltered, public funders stepped up.

The White House and Treasury Department say climate change is a risk to the financial system. When will they take the next step and limit bank lending to fossil fuel projects?

Paying coal plants to shut down would help the climate and save money — if it's done right.

Electric heat pumps can act as air conditioners — and move home heating systems away from natural gas.

The world has about two business cycles to alter investment decisions that will make or break the battle against climate change.