Purifying water with the help of wood, bacteria and the sun

According to the United Nations, about one-fifth of the world's population lives in areas where water is scarce. Therefore, technologies to produce clean water from undrinkable sources, such as seawater, river or lake water, ...

Laser-powered rover to explore moon's dark shadows

A laser light shone through the dark could power robotic exploration of the most tantalizing locations in our solar system: the permanently-shadowed craters around the moon's poles, believed to be rich in water ice and other ...

Carbon intensity of power sector down in 2019

Engineers from Carnegie Mellon University's Scott Institute for Energy Innovation have compiled carbon emissions for the U.S. electric power sector for the second quarter (Q2) of 2019 as part of the CMU Power Sector Carbon ...

Hot air? Qatar claims stadium cooling not eco risk

As the World Athletics Championships get underway in Qatar on Friday, the environmental cost of holding a top-tier sporting event in a sweltering desert has been thrust into the global spotlight.

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