The U.S. is winning the trade spat with China over solar manufacturing.
Agroforestry — growing crops under a tree canopy instead of on clear-cut land — is growing in popularity.
Hydrofracking gone wrong looks "like 1,000 Alka-Seltzers going off" as gas bubbles through puddles, according to a whistleblower.
China's Durban strategy includes a drive for clean-energy funds for developing countries.
Navajo Nation is working to switch from coal to renewables.