Incineration produces ash that ends up in landfills. The volume is of course a lot smaller, but I think there will always be a need for landfills. In fact, my c

Incineration produces ash that ends up in landfills. The volume is of course a lot smaller, but I think there will always be a need for landfills. In fact, my city just opened up a new landfill specifically for incineration by-products a couple years ago. And as people are producing more and more trash every year, demand for such facilities will likely continue to increase.