Blue dye shows promise as key renewable energy component

      Water polluted with industrial waste could turn out to be the perfect thing for storing energy from renewables, scientists have found. Chemists at the University of Buffalo in the US have shown that a major component of waste from the textile...

The $3 Billion Plan to Turn Hoover Dam Into a Giant Battery

Hoover Dam helped transform the American West, harnessing the force of the Colorado River — along with millions of cubic feet of concrete and tens of millions of pounds of steel — to power millions of homes and businesses. It was one of the great engineering feats of...

The companies storing energy in cold air

Renewable sources of energy are getting more efficient by the day – yet energy storage remains an obstacle standing in the way of wide adoption. To fill this gap, some companies are thinking outside the box and investing in developing energy storage that relies on...

Energy from rubbish to power Addis Ababa

    Rapidly increasing urbanisation in Africa means two things: more waste and greater demand for electricity. In Ethiopia’s capital, Addis Ababa, a new waste-to-energy plant is set to tackle both problems at the same time, by helping to dispose of...