While environmental groups and residents have expressed concerns over the risks of the waste-to-energy incinerators, some experts say they are necessary to manage Malaysia’s escalating waste problem. KUALA LUMPUR: In his hometown of Batu Arang in Selangor, 65-year-old Ravi Shankar is rallying against the authorities. Ravi and fellow residents are fighting the proposed construction of an incinerator, or the Sultan Idris Shah waste-to-energy plant (WTE) - named after the Selangor ruler - in their