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Report warns Earth may be approaching an environmental tipping point

A group of 22 researchers from around the world are warning of imminent and irreversible changes to the Earth’s biosphere resulting from a combination of human population growth, mass consumption and extensive environmental destruction. The researchers’ report, published Thursday in “Nature” magazine, was headed by Anthony Barnosky, professor of integrative
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UC Berkeley research group rethinks solar cell design

If different materials, textures and shapes are used in solar cells, the technology could produce more efficient electricity, a campus research group has found. Research conducted by Eli Yablonovitch, a campus professor of electrical engineering and computer science, and graduate student Owen Miller showed that reimagining the construction of solar
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