Technique to recover phosphorus from urine

Phosphorus, number 15 on the periodic table, can be highly toxic and flammable and has been used in warfare as an incendiary device, yet it is also essential for life.

Beyond the green revolution

There has been a substantial increase in food production over the last 50 years, but it has been accompanied by a narrowing in the diversity of cultivated crops. New research shows that diversifying crop production can make ...

America can afford a Green New Deal – here's how

U.S. Rep. Alexandria Ocasio-Cortez and Sen. Ed Markey are calling for a "Green New Deal" that would involve massive government spending to shift the U.S. economy away from its reliance on carbon.

Moving beyond the green revolution in Africa's new era of hunger

A quarter of the world's hungry people are in sub-Saharan Africa and the numbers are growing. Between 2015 and 2016, the number of hungry – those in distress and unable to access enough calories for a healthy and productive ...

A 'bionic leaf' could help feed the world

In the second half of the 20th century, the mass use of fertilizer was part of an agricultural boom called the "green revolution" that was largely credited with averting a global food crisis. Now, the challenge of feeding ...

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