Many Germans have three or four old cell phones lying about in a drawer somewhere without realising their value. A company is now offering to buy up the defunkt devices that contain copper, silver, gold and rare earth metals.
Climb the stairs with a spring in your step - literally! Scientists have created suspension steps that absorb users' energy during descent, to give it back later. They're supposed to make life easier for the elderly.
Toxic smoke from a huge fire at a recycling plant in Melbourne has hospitalized at least two people, emergency services said. Scores of nearby homes have been evacuated as firefighters continue to battle the blaze.
Just a small amount of the millions of tons of e-waste produced annually is disposed of properly. That's bad for the environment. One German company is on the case - and is cashing in with recycling.
Kenyan artist Kioko Mwitiki’s life-sized scrap metal sculptures won him global acclaim. He tells DW about his art's impact, scavenging and environmental challenges facing Africa as it becomes the 'factory of the world.'
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