Tackling Global Water Issues
Mark Shannon, founder of the US Strategic Water Initiative, sets out major themes
Alphabet Energy ships a generator that runs on waste heat from industrial operations
U.S. military-funded project develops thermoelectric generator
Philips and Ericsson join forces for more connected, efficient cities
With electric assist and a hard shell, the Elf aims to transform cycling into practical transportation
Smart cameras network monitors poaching of endangered animals in Kenya by triangulating gunshots and snapping photos
We can feed a growing world for decades to come provided that we invest in research not only in the advanced countries, but everywhere
The top 1 percent accounts for more than its share, but not by as wide a margin as in the income or wealth gaps
Knowing how much energy your computers, TVs, and cell phones could make you a better consumer—or not
"A scary statistic" embodies the dilemmas ahead
International competition for sustainable sanitation solutions tailored for 2.5 billion people who live without flush toilets and clean water
People aren’t conserving energy for love or money—you have to trick them into it
How much would it take for you to drive to work an hour early?
Micheal Klare examines the global competition for Earth's dwindling reserves of oil, minerals, and fertile land
It sounds like a nifty idea, but will it ever be much more than that?
In 2012, there will finally be a first-rate LED bulb you can afford
With cautionary notes about the potential of the smart grid
Residents of LEED-certified building in Pittsburgh, Pennsylvania, believe what's good for the environment is good for them too.
Now, Columbia University puts the benefits to the test, in comprehensive green roof research.
A creative renovation of Stanford University's data centers saves money and energy
Mayors of more than 1000 American cities pledge to reduce greenhouse-gas emissions