By 2030, it is predicted that adult incontinence waste will be four to ten times greater than baby nappies. What happens to these products after use varies around the world and can range from illegal dumping, to landfill, composting or burning in
a waste-to-energy plant. In Australia, both infant and adult products typically end up in landfill, only half of which have biogas (a mix of methane and carbon dioxide) collection.
landfill. Because adult incontinence products usually contain plastics, the European Union requires them to be incinerated where possible rather than biodegraded.