Energy-efficient water purification

Water and energy are two resources on which modern society depends. As demands for these increase, researchers look to alternative technologies that promise both sustainability and reduced environmental impact. Engineered ...

In Austria, heat is 'recycled' from the sewer

Vast amounts of hot water from household appliances, businesses and factories gurgle down the drain every day, wasting not only H2O but also another precious resource: heat energy.

People waste nearly a pound of food daily: study

Americans waste nearly a pound of food per person each day, but the exact amount of food we trash differs by how healthy your diet is, a new University of Vermont co-authored national study finds.

Money gushes into California firm's water-saving shower

A super-efficient shower fixture that reduces water waste by 70 percent is gaining enthusiastic backing from some of Silicon Valley's biggest names, reaping in some $1.38 million in just two days.

Last nuclear waste train heads to Germany

Thousands of anti-nuclear protestors were awaiting the arrival of a train carrying radioactive nuclear waste from France at its destination in northern Germany Saturday.

Recycling of nutrients is the key to saving the Earth

Leakages of nutrients necessary for food production – especially nitrogen and phosphorus – cause severe eutrophication to the Earth's aquatic ecosystems and promote climate change. However, this threat also hides an opportunity. ...

Toxic spill from China copper mine spreads

A toxic pollution spill from a mine operated by China's top gold producer Zijin Mining Group has spread to a second province, threatening the fishing industry there, state media said Tuesday.

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