Biodegradable products are likely doing more harm than good in landfills, because they are releasing a powerful greenhouse gas as they break down.
“Biodegradable materials, such as disposable cups and utensils, are broken down in landfills by microorganisms that then produce methane,” say researchers from North Carolina State University.
“Methane can be a valuable energy source when captured, but is a potent greenhouse gas when released into the atmosphere.”
Read more at Environmental Science & Technology