Some 13 percent of all municipal solid waste consists of food scraps and edible cast-offs from residences and food-service establishments — restaurants, cafeterias, and the like. That’s about 30 million tons a year, or enough food to feed all of Canada during that same period. When all that food decomposes in landfills, one by-product is methane, which has 20 times the global-warming potency of carbon dioxide. Based on Environmental Protection Agency data, rotting food may be responsible for about one-tenth of all anthropogenic methane emissions…
Read more of this article, OnEarth from the Natural Resources Defense Council
