Extracting clean fuel from sunlight

Securing enough energy to meet human needs is one of the greatest challenges society has ever faced. Previously reliable sources—oil, gas and coal—are degrading air quality, devastating land and ocean and altering the ...

Scientists reveal the hidden costs of cobalt mining in DR Congo

In recent years, the demand for cobalt, a crucial component of rechargeable lithium-ion batteries for smartphones and electric cars, has been on the increase. Around 60 percent of the world's cobalt supply comes from the ...

Organic farming drives sustainable agriculture

The future of farming has to look different from farming today. Tremendously different. Otherwise, we will risk losing even more biodiversity, continue with polluting water bodies, driving erosion and running down soil fertility. ...

A new route for plant nutrient delivery

Agriculture around the globe requires new solutions for food and water sustainability. With more frequent climate extremes, growing populations, increased food demand, and global crop threats, environmental engineers are ...

How to fund roads and ensure electric vehicles pay their share

Since electric vehicles use no gasoline, their drivers pay no gasoline tax. And as more people drive EVs, gas-tax revenue for road repairs is dwindling. So how can California and the rest of the country avoid road-funding ...

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