Rag pickers collect recyclable material at a garbage dump in New Delhi November 19, 2014. (Photo by Ahmad Masood/Reuters)

Growing cities, overuse of fertilizers and factory wastewater have degraded China's water supplies to the extent that half the nation's rivers and lakes are severely polluted. China aims to spend $850 billion to improve filthy water supplies over the next decade, but even such huge outlays may do little to reverse damage caused by decades of pollution and overuse in Beijing's push for rapid economic growth. Photo: Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. (Photo by Jianan Yu/Reuters)

At the 50th anniversary of the Hartford Automobile Club a 1914 Mercer with an economical wind screen, looking like a large magnifying glass, designed to offer minimum wind resistance. Brass is used instead of chrome for the “shiny” parts, circa 1955. (Photo by Three Lions)

Model Bella Hadid at The Gilded Lily after party for the release of Bella Hadid Paper Magzine cover on December 16, 2016 in New York City. (Photo by Lipson/BFA/Rex Features/Shutterstock)

This image released by Disney shows Mena Massoud as Aladdin, left, and Will Smith as Genie in Disney's live-action adaptation of the 1992 animated classic “Aladdin”. (Photo by Daniel Smith/Disney via AP Photo)

From the waters edge a New York policeman urges two young children to put their bathing costumes back on. (Photo by Ed Clarity/Keystone/Getty Images). July 1949

Members of p*ssy Riot perform in concert during Day For Night festival on December 16, 2017 in Houston, Texas. (Photo by Gary Miller/Getty Images)

“Custer” the smallest car in the US. (Photo by Topical Press Agency/Getty Images). 1920