BBC: The Bitter Story Behind the U.K.'s National Drink
http://www.bbc.com/news/world-asia-india-34173532
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Several of Britain's biggest tea brands, including PG Tips, Tetleys and Twinings, have said they will work to improve the tea estates they buy from in India after a BBC investigation found dangerous and degrading living and working conditions.
Harrods has stopped selling some tea products in response, and Rainforest Alliance, the ethical certification organisation, has conceded the investigation has revealed flaws in its audit process.
The joint investigation by Radio 4's File on Four and BBC News in Assam, north-east India, found workers living in broken houses with terrible sanitation. Many families have no toilets and say they have no choice but to defecate amongst the tea bushes.
Living and working conditions are so bad, and wages so low, that tea workers and their families are left malnourished and vulnerable to fatal illnesses.
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