A new index ranks U.S. cities by leadership in cleantech -- and San Jose, Calif., leads the pack. The West Coast and Northeast dominate, but other regional clusters are coming on strong.
James Inhofe, the Senate's top climate denier, is stumping for GOP candidates who love coal. We assume he's travelling by coal train.
Developers have added nearly 5,000 megawatts of wind power in the U.S. this year, expected to be as much as 5,000 MW more than next year.
Natural gas prices have sunk so low that frackers are losing their shirts. The investment bankers are the only ones coming out ahead.
A laundry additive can turn your jeans into nitrogen-eating superjeans, according to its creators.
An urban-planning think tank pops up for one day in San Francisco, sharing fun ideas like fruit fences and "garden urinals."
Don't go putting this in the "green" column just yet. Or the "a thing that will happen" column.
One good way to do that, not mentioned: don't extract tar sands.
It's sort of like a Transformer wind turbine.