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Promising technologies to wean the world from fossil fuels, including offshore wind, solar, geothermal and hydrogen cars, among others
October 20, 2008 |
Features
Not only are offshore winds stronger but landlubbers have fewer objections to turbines almost invisible from the coast
Ask the Experts
Chemist Paul Alivisatos explains how to generate electricity from sunlight
News
Scientific American editor Steven Ashley test drives a car that may be the future of automotive transportation
News
Several companies are in the midst of tests to determine whether their technology for harvesting renewable energy will sink or swim
Cheap, durable, efficient devices are needed to generate a significant amount of electricity from the sun. So-called thin-film photovoltaic cells may be just the ticket
China is now the world's workshop for wind and solar power. But can they reach their own ambitious goals for renewable energy?
More than 2,000 times the entire annual energy consumption of the U.S. is available deep underground
New Jersey-based NRG Energy applies to build the first new nuclear power plant in the U.S. in more than 30 years
Large amounts of solar-thermal electric supply may become a reality if steam storage technology works—and new transmission infrastructure is built
It is the pressure change--not the blades--that wipe out thousands of bats annually at wind farms
If controlling global warming is a priority, then industries—from banking to cement manufacturing—will have to become efficient energy users, which will require a transformation of their basic operations
Solyndra hopes to capture the wasted sunlight falling on roofs by making solar cells into cylinders rather than panels
By 2050 solar power could end U.S. dependence on foreign oil and slash greenhouse gas emissions
A New Jersey resident generates and stores all the power he needs with solar panels and hydrogen
A trip down the Yangtze River—home of the world's largest hydroelectric dam—offers a glimpse into China's past and future
Iceland goes green by tapping the power of the planet
Iceland goes green by tapping the power of the planet
How to build a solar refrigerator: the brighter the sun, the better it works.
With waning subsidies and other attractive markets, can Spain maintain its lead in solar tech?
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