ON SEPTEMBER 16, the Tripura government's 20 month old law banning plastic bags became more stringent. Seeking to remove the crinkles in the original rule, the state authorities have forbidden the use of polybags that weigh under 2.1 grammes, and are less

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US biosolids regulations outdated

Efficient blend of plastic waste

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a delay in setting into motion a solid waste management project has led to the piling up of 16,000 metric tonnes of untreated garbage in Shimla. Residents have raised a stink, complaining