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23 May 2012
New York, New York, United States
New York City black tar roofs cause a number of environmental problems, including air pollution, heat absorption that raises energy consumption, and storm water runoff in the sewer system. Efforts to turn these old ro...
2 February 2012
Sao Paulo, Brazil
Solar lighting will revolutionize Africa - but access infrastructure is a difficult thing to build. Three different, innovative business models get lights into the hands of the people who need them most.
25 October 2011
In developing countries, environmentally friendly and practicality don't always go hand-in-hand. Biogas are changing that. With biogas technology, methane is derived from the feces of humans and animals and is used in...
11 July 2011
Broadcast TV News
Under 3 Minutes
Lack of access to electricity is one of the most serious problems in the third world. Developed by students at MIT, a new way of bringing electricity to the poor involves water and bleach in a 'liter of light'.
The New York Times
21 May 2011
New Haven, Connecticut, United States
With no system in place for replicating photosynthesis on a commercial level, scientists throughout the U.S. began efforts to create one. What they have come up, in the form of artificial leaves, may be the answer to ...
Inside Climate News
28 March 2011
Reno, Nevada, United States
In a campaign to boost community interest in and use of urban wind power, city officials in Reno, Nevada, are helping consumers take the guesswork out of buying home turbines. Through an online consumer guide called t...
16 February 2011
Less charcoal, faster cook times, energy efficient and healthier: these are all terms that have been associated with a new cooking stove produced by the small Ghana business Toyola Energy. This stove acts as a dual so...
14 January 2011
Tamkuha, Bihar, India
A follow-up article on Husk Power Systems, which has created a scalable system to turn rice husks into electricity that is reliable, eco-friendly and affordable for families in India. The company bases their business ...
10 January 2011
New Delhi, Delhi, India
Access to electricity in India takes a huge economic, educational, and health-related toll. A small company called Husk Power Systems has created an innovative system that is turning rice husks into electricity and il...
6 March 2010
Recession economies engender a sense of malaise and stagnancy, but two innovative men are working to find affordable, scalable solutions to current issues. Instead of worrying about CO2 emissions, Vinod Khosla imagin...
19 January 2010
One small island in Denmark is technically 100 percent powered by sustainable sources of energy, giving the island total energy independence.
Science in Society
8 May 2009
Mastala, Kusungu District, Malawi
A bright young man named William took it upon himself to bring electricity to his small, rural village in Malawi, despite having few resources at his disposal. William invented a windmill using recycled materials, an...
7 July 2008
Over 3000 Words
The Danish Island of Samsø is home to a community of farmers who transitioned from coal to renewable energy. The community worked to erect wind turbines which now create more energy than they can use—the island can no...
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