The mighty Nile, threatened by waste, warming, mega-dam

Early one morning in Cairo, volunteers paddle their kayaks across the Nile, fishing out garbage from the mighty waterway that gave birth to Egyptian civilisation but now faces multiple threats.

Scientists make renewable plastic from carbon dioxide and plants

Stanford scientists have discovered a novel way to make plastic from carbon dioxide (CO2) and inedible plant material, such as agricultural waste and grasses. Researchers say the new technology could provide a low-carbon ...

The night life: Why we need bats all the time

The sight of bats hanging upside down in creepy caves or fleeing in fluttery flocks from their subterranean haunts at dusk like "bats out of hell" may spook even the most rational, otherwise unflappable observer.

Can organic crops compete with industrial agriculture?

A systematic overview of more than 100 studies comparing organic and conventional farming finds that the crop yields of organic agriculture are higher than previously thought. The study, conducted by researchers at the University ...

Sugar cane waste use as component of hydraulic concrete

Hydraulic concrete is one of the most-used construction materials around the world. Portland cement is its principal component, but during its production a lot of energy is needed, and big volumes of greenhouse gases like ...

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