Why the hardest-working animals, plants, and microbes taste the best
Our dependence on big systems--big oil, big coal--steers us away from little ones, such as biofuel made from garbage, that are transforming communities in other countries
Last October, Iceland's economy tanked. Its bailout? A two-mile geothermal well drilled into a volcano that could generate an endless supply of clean energy. Or, as Icelanders will calmly explain, it could all blow up in their faces
Subtle movements create current
Harnessing the terawatts of energy we get from the sun
Cheap, off-the-shelf parts and a clever design make Skyline Solar's reflective aluminum troughs a contender in the race to make solar ubiquitous
Arsenic-laced drinking water, lead-contaminated soils and choking air pollution are sadly just the start in some of the world's dirtiest places
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
Can concentrated PV plants beat solar thermal technology?
What would you use to keep next-generation nuclear reactors cool? If you said highly reactive molten sodium, take a bow
And should we humans be worried?
Western architects have grand plans for helping China solve its expanding environmental crisis. But the world's dirtiest country already has the power to clean up all on its own
Looking for a clean fuel that grows anywhere, needs only sunlight and water, and could produce enough oil to free the U.S. from its petroleum addiction? Here´s one start-up's plan for converting oil from algae-yes, algae
Save coastal marshes and clean up polluted waterways with plant-covered rafts
A radical new power plant aims to convert our dirtiest fossil fuel into clean-burning hydrogen
The first reactor-on-a-barge will bring power to Russiaâ€™s electricity-starved Arctic
Is the rock-concert lighter salute bad for the environment?
The most ambitious eco-friendly skyscraper
He distills the fundamental rules that govern birds, bees . . . all of nature.
Motorcycles thrilled civilians first. The military then tapped the nimble bikes for use in combat and reconnaissance.
Lawmakers look to new nuke plants to fuel the coming hydrogen economy.
Oceanography: They came from the bottom of the sea.
Energy: Some say it's too big a job, but scientists would sure like to try.