Energy

Mexico's stock market has begun trading simulated emissions permits

Debate rises over whether mining frozen gas beneath the ocean would aggravate global warming

The Senate Appropriations Committee moved to sustain funding for energy research and development, breaking with the president and House of Representatives

Security expert offers a scientific perspective on realistic options for the U.S.

Transforming costly wastes into valuable resources can make cities highly efficient

Urban areas can improve the planet as well as people’s lives if we design them to be much more resourceful with energy, water, food and minerals

A moving web of sensor-laden vehicles and smart intersections will transform how we get around town

Confronting climate change is an urgent challenge. But it's not clear if keep-it-in-the-ground activism or all-of-the-above-energy moderation is the best way forward

 After a half-century hiatus, the agency is reviving its reactor development with a test later this summer

Whole Foods versus Hilton. NAVY versus Air Force. Boston versus Atlanta. Check out this series of videos from the U.S. Department of Energy’s Better Buildings initiative, which focus on increasing energy efficiency in buildings

Moving beyond the green-home level, ambitious projects are attempting to join blocks of buildings into a single sustainable unit

Technology that mimics photosynthesis converts carbon dioxide to fuels in a sustainable way