Remembering the days when that term referred to clean coal and fracking.

And why living laboratories are central to his plan for spreading the faith.

An interview with Ethan Zindler, head of Americas at Bloomberg New Energy Finance.

In this week's episode: Climate change's $535 trillion debt; connecting health and human capital; does "An Inconvenient Sequel" live up to the hype?

With the potential to cut a gigaton of carbon, it’s time to take a hard look at sustainable mining.

The service, based on RMI's WattTime, tracks the carbon dioxide, sulphur and other atmospheric-polluting emissions produced by specific power plants.

Awaiting the DOE study on baseload generation, here are the reasons why energy efficiency, grid flexibility and renewables enhance low-cost reliability.