Extremely dirty waste area in the Fadar Daurama Emir's palace, Daura Emirate, Katsina state, Nigeria

Garbage dump, Hvar island, Croatia, Southeast Europe

Road blocked by mudslides in western province, Rwanda, East Africa, Africa

Garbage dump, Hvar island, Croatia, Southeast Europe

Sign about a cleanup campaign at Annapurna Base Camp at 4130 metres, Annapurna Sanctuary, Himalayas, Nepal, Asia

Piles of rubbish collected from beach beyond, Torloisk beach, Isle of Mull, Scotland (RR)

A worker vacuums oil from behind a containment boom on the Kalamazoo River during the cleanup of a major oil spil in which 800, 000 gallons of oil spilled from an Enbridge Energy Partners pipeline, Battle Creek, Michigan, USA

A worker vacuums oil from behind a containment boom on the Kalamazoo River during the cleanup of a major oil spil in which 800, 000 gallons of oil spilled from an Enbridge Energy Partners pipeline, Battle Creek, Michigan, USA

Commercial fishing boats have been converted to oil cleanup crews as part of the "vessels of opportunity" program managed by BP.

Volunteers take part in a cleanup event hosted by Outdoor Life, Yamaha and the Southern California Mountains Foundation at the Cactus Flat OHV Staging Area in the San Bernardino National Forest on Sat., Sept. 26, 2015.

Hawaii, Oahu, Aluminum cans on the beach.