Hong Kong dumps 452 tonnes of wood and rattan into its landfills every day, according to a 2019 report by the city’s Environmental Protection Department. But a local entrepreneur is hoping to enlist the help of the city’s cats, and their owners, to tackle part of the problem with a project that turns discarded wood into kitty litter. Kelvin Shi Kam-fung collects used wooden pallets and recycles them at his 20,000 sq ft factory tucked away in an eastern area of Hong Kong along its border with…