When the ‘obvious’ is wrong: sustainability is rarely black and white

New greenhouse-gas emissions studies find practices thought to be environmentally safe … arent. But whose interests do they protect, and just how many grains of salt do we need to read them?

What do Grand Theft Auto, US coal exports and juicy steaks have in common?

Other than being unhealthy in large doses, they are the subjects of recent studies on pollution footprints that reach some surprising conclusions.

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