China admits Three Gorges Dam caused 'host of ills'

China's Three Gorges Dam has caused a host of ills that must be "urgently" addressed, the government has said, in a rare admission of problems in a project it has long praised as a world wonder.

Sustainable sand pulls pollutants from stormwater

UC Berkeley engineers have developed a mineral-coated sand that can soak up toxic metals like lead and cadmium from water. Along with its ability to destroy organic pollutants like bisphenol A, this material could help cities ...

Toxic spill from China copper mine spreads

A toxic pollution spill from a mine operated by China's top gold producer Zijin Mining Group has spread to a second province, threatening the fishing industry there, state media said Tuesday.

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