Shrimp shells to produce electrodes for large storage batteries

A project by Spanish researchers and other collaborators at the Massachusetts Institute of Technology (MIT) suggests the use of chitin from shrimp shells to produce electrodes for vanadium flow batteries. The results of the ...

How hard-to-recycle plastic is being made as good as new

New recycling technologies currently being tested may allow plastics such as single-use food packaging, fibre-reinforced car parts and mattress foam—polymers which often wind up in landfills or are incinerated—to have ...

Alternative cement recipes—A recipe for eco-concrete

It is the most widely used product in the world. Cement is indispensable yet its reputation has become quite tainted in the course of the ongoing climate debate. Mixed with water, sand and gravel, it results in concrete, ...

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.

page 12 from 22