Green algae blooms are seen at the Port Mayaca Lock and Dam on Lake Okeechobee on July 10, 2018 in Port Mayaca, Florida, the United States. /VCG

Oil from the Deepwater Horizon well swirls in the Gulf of Mexico off the coast of Louisiana, May 6, 2010. /VCG

Marine litter float near the Gaya Island in Malaysia. /VCG

Severe wind storms in the west of New South Wales in Australia have blown a dust cloud that has engulfed Sydney and surrounding areas, September 23, 2009. /VCG

A heavy monsoon rain water and industrial chemicals paralyzed the streets of Old Dhaka in Bangladesh, July 11, 2017. /VCG

A man takes a selfie besides a bridge along a large amount of toxic industrial waste-foam formed along the banks of polluted Yamuna River, on December 2, 2018 in New Delhi, India. /VCG

Heavy fog and smog cover Sarajevo as air pollution reaches a "very unhealthy" level, in Sarajevo, Bosnia and Herzegovina, December 3, 2018. /VCG

Man wearing a gas mask walks in central Moscow, August 8, 2010. /VCG

The Laysan Albatrosses nesting on Midway Atoll in the north Pacific mistake the floating plastic for food and bring it back for their chicks who die eating it. /VCG