Engineering

Greater access to clean water, thanks to a better membrane

Water scarcity around the world is a bigger problem than ever, and desalination is critical to solving it. The best available technologies for separating salt from seawater, though, are costly and require a great deal of ...

Engineering

Houses made of waste changing lives in South America

Homes made of discarded plastic bottles, construction waste and old tires are being built across Latin America as new technologies help turn municipal waste into sustainable bricks and tiles.

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