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An empty drum from Hindustan Organic Chemicals lies next to the factory on the banks of the Periyar River in Eloor, Kerala state, India, Friday, March 3, 2023. Many of the petrochemical plants here are more than five decades old and produce pesticides, rare earth elements, rubber processing chemicals, fertilizers, zinc-chrome products and leather treatments. Some are government owned, including Fertilisers and Chemicals Travancore, established in 1943, Indian Rare Earths Limited, and Hindustan Insecticides Limited. (AP Photo)