MIT created a solar cell that breaks theoretical conversion limits

MIT researchers are heating up clean energy technology with a new solar cell capable of converting solar heat into usable light, which raises the overall solar-to-electricity conversion rate of the cell. The new device demonstrates, for the first time ever, a method that allows solar cells to use heat to break through a theoretically predicted limitation on the amount of sunlight which can be converted into electricity. Compared to traditional solar cells, MIT’s new invention could be the thing…

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MIT created a solar cell that breaks theoretical conversion limits

How To Achieve Zero Food Waste

The topic of food waste has gained much-needed attention over the last few years and everyone from food manufacturers to retailers to consumers are guilty of contributing to the overall problem. Statistics show that in the U.S. alone 60 million…

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How To Achieve Zero Food Waste

How She Leads: Andrea B. Thomas, Walmart

The company's Vice President for Sustainability speaks about her team's focuses and challenges, and gives advice to those aspiring to jobs in sustainability.

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How She Leads: Andrea B. Thomas, Walmart

U.S. Still #1 "Most Attractive" for Renewable Energy, But China is Catching Up

Image: Ernst & Young But China is #1 in Wind Power Index In its report titled Renewable energy country attractiveness indices , the firm Ernst & Young tries to measure how “attractive” various countries are to renewable energy development. The biggest news in this new edition of the report no doubt is that China has moved up to #2 on the overall index, bumping Germany to the #3 spot. The only thing that keeps the U.S

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U.S. Still #1 "Most Attractive" for Renewable Energy, But China is Catching Up

WorldChanging’s Alex Steffen Tells Us How to Build a Better World

Image credit: Good WorldChanging ‘s Alex Steffen has a few simple ideas for making the world a better place. As part of Good ‘s looks at “the world after COP15,” he has explained his thoughts and strategies….

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WorldChanging’s Alex Steffen Tells Us How to Build a Better World