Posted on August 27th, 2009 by als
Is solar power the heavenly answer to our energy needs? Perhaps. Not only is sunlight clean, abundant, and everlasting — it’s free. Until recently, however, the cost of converting it into electricity was prohibitive — especially when compared with natural gas, which was cheap. But as they say, things change. New technologies are making solar power more cost-effective.
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Filed under: Civil, Environmental, Materials | Comments Off on A Bright Future
Tags: Civil, Energy, Environmental, Green Technology, Materials
Posted on August 27th, 2009 by als
A slum in India has gotten cleaner water, thanks to filters developed by engineers in an organization that Regina Clewlow created. Clewlow started Engineers for a Sustainable World to encourage fellow engineers to brainstorm ways to improve the lives of people in poor countries.
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Filed under: Environmental, Trailblazers | Comments Off on A Green Go-Getter
Tags: Energy, Environmental
Posted on August 27th, 2009 by als
Nearly half the world’s population lives on less than $2 per day. But abject poverty shouldn’t be tolerated as a natural part of the human condition. Noted physicist and futurist Freeman Dyson believes that technology can help raise people out of destitution. He’s chairman of the Solar Electric Light Fund, which brings affordable solar power to rural areas in the developing world.
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Filed under: Civil, Electrical, Environmental, Explore Engineering, Industrial / Manufacturing, Materials | 1 Comment »
Tags: Civil, Electrical, Energy, Engineering Is, Environmental, Green Technology
Posted on August 27th, 2009 by als
A growing gust of support is giving clean, inexhaustible wind energy a real lift. The U.S. Department of Energy says it’s possible for wind to produce 20 percent of the nation’s electricity by 2030.
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Filed under: Electrical, Environmental, Explore Engineering | Comments Off on Engineering Is: Developing Alternative Energy
Tags: Energy, Engineering Is, Environmental, Green Technology
Posted on August 27th, 2009 by als
Corn and soy aren’t just foods. They’re also the feedstocks for alternative fuels such as biodiesel and ethanol. Some say that increased demand for those crops has led to spiraling food costs and shortages. But the new hope for biofuels is a plant that won’t compete for farmland: algae. Yep, pond scum.
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Filed under: Environmental, Explore Engineering | 1 Comment »
Tags: Energy, Engineering Is, Environmental, Green Technology, Green Transportation
