The toxic waste after the Bhopal Gas tragedy lying at the Union Carbide plant in Bhopal is still awaiting disposal, even after 29 years of the world's worst industrial disaster, amid concerns of air and water pollution...Though an NGO had in 2004 moved a PIL in Madhya Pradesh High Court after soil sample tests carried out in and around the closed plant revealed that the 350 metric tons of waste was causing air and water pollution in the surroundings having a huge human settlement, the toxic dump could not be cleared due to resistance from different environment groups.