(CNN) Canada will ban many single-use plastic items by 2021, including bags, straws, cutlery and stirring sticks, to cut harmful waste damaging the country's ecosystems. Prime Minister Justin Trudeau announced the measures Monday, describing "a problem we simply can't ignore." "Plastic waste ends up in our landfills and incinerators, litters our parks and beaches, and pollutes our rivers, lakes, and oceans, entangling and killing turtles, fish, and marine mammals," the Canadian leader said in a statement. "Less than 10 per cent of plastic used in Canada gets recycled. Without a change in course, Canadians will throw away an estimated $11…