Mile-Long Man-Made Coral Reef Slithers Down Yucatan's Coast
This monumental project will protect the shoreline and restore one of the world's largest coral reefs.
This monumental project will protect the shoreline and restore one of the world's largest coral reefs.
Four previous Republican EPA Admininstrators ask fellow Republicans to speak out on climate change instead of denying it.
Among the top recommendations for energy innovation, it funds basic science research that accelerates breakthroughs in energy use, production and storage.
The project faces a dozen court challenges and blockades from all 132 First Nations - most believe it won't be built.
A diesel-electric plug-in, it demonstrates the potential for really high mileage cars.
Massachusetts is opening almost 750,000 acres for offshore wind, to be auctioned in four leases.
Obama's executive order preserves large swaths of the Pacific Ocean and addresses seafood fraud and illegal fishing.
Amazon's tribes are using the glare of publicity to ask the world to stop deforestation and dam-building in the Amazon rainforest.
Ecosphere's portable solar generator provides clean water and electricity in the most remote, off-grid places.
The US General Services Administration now requires companies that get federal contracts to report on, and cut annual emissions.