223 results found for "energy"
Zero emissions? That depends on where you get the electricity to charge your car.
Visionary architectural concept from Holland, so advanced we don't understand it.
On Earth Day 's 40th anniversary, John Kerry warns that climate change is the environment's biggest hurdle yet.
New technologies offer promise for expensive process of making saltwater fresh.
But wildlife conservation groups oppose the project, the New York Times reports.
Canadian environmentalist David Suzuki offers his take on the greenness of the games.