China restricts cars, factories amid latest smog alert

China's capital and other northern cities have banned half of all vehicles from city streets and ordered factories, schools and construction sites closed in response to a five-day smog red alert.

The Thai village using poop to power homes

Nestled in a deep pocket of forest that lies off Thailand's electrical grid, villagers in Pa Deng have become early adopters and evangelists for an unusual alternative energy source: poop.

Beijing says air quality improved in first half of 2016

Beijing's notoriously awful air quality improved significantly in the first half of the year, with actions taken to curb the city's heavy pollution having a positive effect, officials in the Chinese capital said.

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