We've been hearing more and more about biodegradable plastics, made from cellulose nanofibers. Although those fibers are typically harvested from wood waste, new research shows that they could also be obtained from mega-plentiful used coffee grounds.

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Although a hole in the ozone layer might sound like a retro environmental issue, it’s still a problem today. While it's usually over Antarctica, scientists have now spotted the biggest ozone layer hole in at least 25 years forming over the Arctic.

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Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. New research now indicates that using it for the former makes it perform even better as the latter – so the same slag could be used twice.

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