Law enforcement clashes with demonstrators outside the Metropolitan Detention Center, MDC, in downtown Los Angeles, California on June 8, 2025. US President Donald Trump deployed 2,000 troops on June 7 to handle escalating protests against immigration enforcement raids in the Los Angeles area, a move the state's governor termed “purposefully inflammatory”. Federal agents clashed with angry crowds in a Los Angeles suburb as protests stretched into a second night Saturday, shooting flash-bang grenades and shutting part of a freeway amid raids on undocumented migrants, reports said. (Photo by Frederic J. Brown/AFP Photo)

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)

Bison along the Bitterroot Valley's Eastside Highway north of Stevensville, Montana, are covered in snow following a blizzard on November 23, 2010. (Photo by Perry Backus/The Missoulian)

A picture taken on August 25, 2021 shows a view of the Aletsch Glacier. After hiking for hours across the mountain and a vast expanse of white, Swiss glaciologist Matthias Huss crouches down near the middle of the massive glacier and checks the measurements. Analysis of the data gathered from Aletsch, the largest glacier in the Alps, paints a dire picture of the toll that climate change is taking on the behemoth. (Photo by Fabrice Coffrini/AFP Photo)

Members of the special operations team conduct a building climbing training in Qinzhou, south China's Guangxi Zhuang Autonomous Region, April 13, 2021. (Photo credit should read Costfoto/Barcroft Media via Getty Images)

Kyle Walker of AC Milan sprays water from his mouth prior to the start of the second half of the Coppa Italia match at Giuseppe Meazza, Milan on February 5, 2025. (Photo by Jonathan Moscrop/Sportimage/Alamy Live News)

Amundsen-Scott South Pole Station experiences months of darkness. The sun dips below the horizon on March 21, after which follows several weeks of twilight before complete darkness results. Photo taken on June 25, 2009. (National Science Foundation/Jeremy Johnson)

A woman walks into the ocean as a sea lion makes its way to the beach in the La Jolla neighborhood of San Diego, California, on September 3, 2025. (Photo by Mike Blake/Reuters)