Evidence of the economic opportunities that a circular economy could bring is mounting. The potential environmental impact is also clear. The move to a circular economy—a system that aims to reduce, ...

There are many causes of climate change. One example is cutting down trees. This is a problem that some people don't know about. Carbon dioxide is released from the trunk when it breaks down or gets ...

A decade ago humanity launched around 200 objects into space per year. Now we launch more than 2,600, with no prospects for slowing down. This rapid expansion of human activity in outer space has ...

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Reduce, reuse, recycle — it’s an exhortation that’s become universal. For decades, the phrase has been used on posters and public service announcements, encouraging well-meaning citizens to cut down ...