Energy & Green Tech

In Iceland, CO2 sucked from the air is turned to rock

At the foot of an Icelandic volcano, a newly-opened plant is sucking carbon dioxide from the air and turning it to rock, locking away the main culprit behind global warming.

Energy & Green Tech

Consortium runs world's first hydrogen-powered gas turbine

A European consortium on Wednesday said it had in a world first successfully tested a gas turbine fully powered by hydrogen, opening the way to slashing carbon emissions in energy-intensive industries like cement.

Energy & Green Tech

Researchers harvest electricity from wood soaking in water

Water and wood may one day be all that's needed to provide electrical power for a household. At a time when energy is a critical issue for many millions of people worldwide, scientists in Sweden have managed to generate electricity ...

Engineering

Solar-powered desalination unit shows great promise

Despite the vast amount of water on Earth, most of it is nonpotable seawater. Freshwater accounts for only about 2.5% of the total, so much of the world experiences serious water shortages.

Energy & Green Tech

Solar-powered system offers a route to inexpensive desalination

An estimated two-thirds of humanity is affected by shortages of water, and many such areas in the developing world also face a lack of dependable electricity. Widespread research efforts have thus focused on ways to desalinate ...

Energy & Green Tech

Engineers use moisture to pull carbon dioxide out of the air

In a corner of Kelsey Hatzell's lab sits a small jar filled with a material that has an ability far beyond what its nondescript appearance would suggest: a way to capture and release carbon dioxide from the atmosphere by ...

Energy & Green Tech

Higher efficiency catalyst could prove key to green hydrogen

The race to make the widespread use of intermittent renewable energy a reality has taken a step forward with new research by experts from the University of Adelaide who are improving the efficiency of iridium-based catalysts.

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