All the world's power plants, vehicles and factories that presently exist may not emit enough carbon dioxide to cause catastrophic climate change
In the carbon market, a good deal for the environment needs to also be a good deal for the bottom line. Vouching for the environmental credibility isn't easy: Who verifies the verifiers?...
Impact-delivered graphite discovered in Apollo moon rock
In the carbon market a good deal for the environment needs to also be a good deal for the bottom line. Vouching for the environmental credibility isn't easy: Who verifies the verifiers?...
In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports
Demonstration that an atom can control the passage of light could be crucial in quantum computing and communications
What does it take to trade in a commodity that cannot be seen or touched--and isn't even a commodity in the U.S.? The first in a three-part series
To unify the four forces of nature, physicists are turning to Lie groups, an approach famously resurrected in 2007 by a surfer-dude theorist
Clean-up of Potomac River offers hope to environmentalists worldwide.
Transportation is the fastest-growing source of emissions of carbon dioxide. The U.S. aims to change that with stickers. David Biello reports
The push for wind as a renewable energy source has turbines sharing the same airspace as aircraft, with aging radar systems unable to tell the difference
It's a David versus Goliath kind of story, with an ecological twist: In African savannas (regions with both trees and grass), acacia-dwelling ants can repel voracious, tree-eating elephants, according to new research by published online September 2 in Current Biology ...
Climate change can’t alter the blue skies or access to the beach and mountains, but it will pose four tangible threats: The summers will grow hotter, the air will be smoggier, there will be more fires, and there will be much less water...
Letters to the editor from the May 2010 issue of Scientific American
Data from repaired Hubble telescope uncover new secrets about our nearest supernova.
Doubts over the existence of the mysterious quantum phenomenon may soon be laid to rest.