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When men morph into fathers, they experience a neural revival that benefits their children
It's not just for tiki torches anymore, but does this wood substitute really make for greener floors, clothing and other products?
The melting Arctic is releasing vast quantities of methane. How big is this greenhouse threat? What can be done?
Extracting carbon dioxide from power plant exhaust and storing it underground may be the only hope to avoid a climate change catastrophe caused by burning fossil fuels
Lester Brown, at times ridiculed, has been warning the world for 40 years about coalescing energy, food and population crises. So why is he optimistic now?
Forward-thinking companies, universities and municipalities are finding creative ways to run on renewable power
Slowing the rise in human numbers is essential for the planet--but it doesn't require population control
"Hey! Trade in your old, soot-spewing car for a newer one. Free." The latest scam? Not according to a former vice chair of the Federal Reserve
Companies are poised to go commercial with gasoline substitutes made from grass, algae and the ultimate source: engineered microorganisms
Nations scramble to claim their share of the petroleum riches trapped deep within the Arctic seabed as global warming loosens that ocean's icy grip on its bounty
The U.S. needs a high-voltage transmission system to deliver plentiful energy from wind and sunshine to power-hungry cities. At least one plan has emerged
The massive underground water source feeds the middle third of the country but is disappearing fast. Can it be conserved?
How Obama and his team can pass climate legislation and reach an international accord by December 2009
Businesses can influence government action on climate in many ways—as long as they start by building their own environmental credibility
Even advocates for more responsible, environmentally benign ways of life harbor misunderstandings of what "sustainability" is all about
To save orangutans, scientist Willie Smits is restoring a rain forest—and creating new livelihoods for the Indonesian families who help him
Ranchers in Montana are being paid by polluters to keep their grass unmowed
Ecotourism has become the unlikely protector of the unexpectedly endangered great white sharks
Mayor Richard Daley has unveiled an aggressive plan to transform the old, gritty city. If he can pull it off, other cities might follow
China is aggressively building cleaner cities and renewable power supplies, but the relentless expansion of dirty coal may suffocate those efforts. A firsthand look
Newly approved reactor designs could reduce global warming and fossil-fuel dependence, but utilities are grappling with whether better nukes make market sense
Steve Mirsky talks with Pulitzer Prize-winning author Thomas L. Friedman on how green technology can save the world economy
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