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 ...

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 ...

If you value independent local news, become a sustainer today. Your gift could help unlock a $1M challenge. Like a priceless painting, the beautiful blue and green swirl in a lake or pond presents a ...

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 ...

This may come as a shock, but only 55 million years ago, our planet had no polar ice caps; in fact, it nearly became a steamy, runaway greenhouse world, with CO2 levels exceeding 2,500 ppm. Then, all ...

Wetlands biologist Asan Baghevzadeh, grabs a handful of the aquatic azolla plant in the Anzali wetlands on Iran's Caspian Sea coast near Bandar-e-Anzali. ((AP Photo/Hasan Sarbakhshian)) Fifty million ...

Homo sapiens is apparently not the only species to have single-handedly changed Earth’s climate. That dubious distinction is shared with Azolla, a diminutive floating fern sometimes called water ...

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 ...