Turning desalination waste into a useful resource

The rapidly growing desalination industry produces water for drinking and for agriculture in the world's arid coastal regions. But it leaves behind as a waste product a lot of highly concentrated brine, which is usually disposed ...

Fixing the environment: when solutions become problems

In a world where climate change, air and water pollution, biodiversity loss, water scarcity, ozone depletion, and other environmental problems overlap, a fix in one arena can cause trouble in another.

Desalination produces more toxic waste than clean water

More than 16,000 desalination plants scattered across the globe produce far more toxic sludge than fresh water, according to a first global assessment of the sector's industrial waste, published Monday.

Drought-hit Cape Town should cut down 'alien' trees: study

The South African city of Cape Town, which nearly ran out of water this year, could beat future droughts by cutting down non-native trees including pine, acacia and eucalyptus, according to a study released Friday.

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