New green technology generates electricity 'out of thin air'

Scientists at the University of Massachusetts Amherst have developed a device that uses a natural protein to create electricity from moisture in the air, a new technology they say could have significant implications for the ...

African smoke over the Amazon

The Brazilian rainforest is one of the world's few continental regions with clean air. However, this is only true during the wet season, when the concentration of particulate matter is very low. During the dry season, it's ...

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