Sri Lanka will ban single-use plastics, the government said Tuesday, in a move that follows a series of wild elephant and deer deaths from plastic poisoning. Non-biodegradable plastic bags were banned in 2017 due to concerns over flash floods. Autopsies showed the animals had died after eating plastics mixed with food waste. Sri Lanka will ban single-use plastics, the government said Tuesday, in a move that follows a series of wild elephant and deer deaths from plastic poisoning. Autopsies showed the animals had died after eating plastics mixed with food waste.