Scientists have been campaigning to turn the fast-growing Azolla into a food of the future. Others envision it becoming both a sustainable biofuel and a fertilizer that captures carbon. What is Azolla ...

Azolla is a floating aquatic fern with a very fast growth. That’s important for multiple reasons, the first being that the fern shows “great promise as a biofuel,” says Rothfel. While it’s been used ...

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FIFTY million years ago the Earth was overheated by greenhouse gases and the future of life seemed bleak. But a little green fern saved the day. Can it do it again? Behind the shift which created the ...

Behind the shift which created the balmy climate of the past few million years was a geological coincidence: The isolation of the Arctic Ocean. At this critical point in history, the newly enclosed ...

Don't miss out on the headlines from Climate Change. Followed categories will be added to My News. Behind the shift which created the balmy climate of the past few million years was a geological ...