Energy & Green Tech

Generating clean electricity with chicken feathers

The food industry generates enormous amounts of waste and by-products, including from poultry production. Each year, some 40 million metric tons of chicken feathers are incinerated. This not only releases large amounts of ...

Engineering

Coffee grounds offer performance boost for concrete

Engineers in Australia have found a way of making stronger concrete with roasted used-coffee grounds, to give the drink-additive a "double shot" at life and reduce waste going to landfills.

Energy & Green Tech

Plastic upcycling to close the carbon cycle

There's a lot of potentially useful raw materials bound up in used face masks, grocery bags and food wrap. But it has been much cheaper to keep making more of these single-use plastics than to recover and recycle them.

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