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)

A tourist clad in Japanese kimono takes a picture in front of s portrait shop in Tokyo's Asakusa district, Thursday, February 15, 2018. Asakusa is a popular district four tourists in the capital. (Photo by Shizuo Kambayashi/AP Photo)

Nearly two dozen New Standard Academy students showed up in their finest threads at the school on Flint's north side on Saturday, May 14, 2022 before heading to the Infinity Yacht in St. Clair Shores in the Safe Harbor Jefferson Beach Marina for dinner and dancing at “A Starry Night” theme prom. (Photo by Jake May/MLive.com via AP Photo)

These two ladies received some important messages on Valentine's night in Manchester, England on February 14, 2020. Brits celebrated Valentine's Day in style last night – proving you can have a good time even if you don't have a partner. (Photo by Mercury Press/The Sun)

Jeremy Scott's spring 2019 collection is modeled during Fashion Week in New York, Thursday, September 6, 2018. (Photo by Kevin Hagen/AP Photo)

A worker collects rubber sap at a farm in Songon village, north of Abidjan, February 3, 2016. (Photo by Luc Gnago/Reuters)

American media personality Kim Kardashian seen on February 17, 2019 in Los Angeles, CA. (Photo by Hollywood To You/Star Max/GC Images)

American actress Jenna Ortega snaps a seductive selfie in the second decade of September 2022. (Photo by jennaortega/Instagram)