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March 2009 Issue
Even advocates for more responsible, environmentally benign ways of life harbor misunderstandings of what "sustainability" is all about
Businesses can influence government action on climate in many ways—as long as they start by building their own environmental credibility
How Obama and his team can pass climate legislation and reach an international accord by December 2009
The massive underground water source feeds the middle third of the country but is disappearing fast. Can it be conserved?
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
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
Companies are poised to go commercial with gasoline substitutes made from grass, algae and the ultimate source: engineered microorganisms
In-Depth Report
The Future of Alternative Energy
Geothermal, solar thermal, and even nuclear power could provide alternatives to today's carbon-based fuel sources
60-Second Solar
Introducing 60-Second Solar
A family installs panels on its roof
In-Depth Report
News from AAAS
What happened at the American Association for the Advancement of Science's 2009 meeting in Chicago--from climate change to the search for life on other planets
Can Geothermal Power Compete with Coal on Price?
An investment bank report says geothermal energy is now cheaper per kilowatt-hour than coal-derived power. But there are lots of caveats
Katherine M. Shea
Linda Church Ciocci
Daniel M. Kammen
John Doerr
Stephen D. Solomon
William E. Rees
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June 2009
