People wait to receive medicine at a clinic supported by Bhopal Medical Appeal for people affected by the 1984 Bhopal gas disaster in Bhopal November 14, 2014. Human rights groups say that thousands of tonnes of hazardous waste remain buried underground, and the government has conceded it is contaminated. There has, however, been no long-term epidemiological research which conclusively proves that birth defects are directly related to the drinking of the contaminated water. REUTERS/Danish Siddiqui (INDIA - Tags: ENVIRONMENT HEALTH SOCIETY DISASTER BUSINESS INDUSTRIAL AGRICULTURE)

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