Writing in The Observer, Gethin Chamberlain looks into a rash of deformities and disabilities that have appeared among youth in India’s Punjab region and appear to be linked to high levels of uranium exposure. Chamberlain finds nearby coal-fired power plants to be the most likely source (coal ash can contain high levels of radioactive material) and reports the Indian government appears to be denying that there is a problem.

Staff at the clinics say they were visited and threatened with closure if they spoke out. The South African scientist whose curiosity exposed the scandal says she has been warned by the authorities that she may not be allowed back into the country.