Litter is an eyesore that pollutes the earth and costs a fortune to clean up b y Earth Talk - Updated March 30, 2017 Environmentalists consider litter a nasty side effect of our convenience-oriented disposable culture. Just to highlight the scope of the problem, California alone spends $28 million a year cleaning up and removing litter along its roadways. And once trash gets free, wind and weather move it from streets and highways to parks and waterways. One study found that 18 percent of litter ends up in rivers, streams, and oceans. In particular, the issue of microplastics is particularly dramatic in some parts of our oceans, including the Great Pacific Garbage Patch. Cigarettes a Major Cause of Litter Cigarette butts, snack wrappers and take-out food and beverage containers are the most commonly littered items. Cigarettes are one of the most insidious forms of litter: Each discarded butt takes 12 years to break down, all the while leaching toxic elements such as cadmium, ...