Global wildlife populations will decline by 67% by 2020 unless urgent action is taken to reduce human impact on species and ecosystems, warns the biennial Living Planet Index report from WWF (World Wide Fund for Nature) and ZSL (Zoological Society of London). From elephants to eels, here are some of the wildlife populations most affected by human activity. Here: The maned wolf is among the large mammals in the Brazilian Cerrado that are threatened by the increasing conversion of grasslands into farmland for grazing and growing crops. (Photo by Ben Cranke/Nature Picture Library/Alamy Stock Photo)

From Tibetan monks playing basket ball with ice thawing high up in the Himalayas, to the pollution that hides behind the Taj Mahal, here’s pick from 60 exceptional environmental photographs, by photographers and filmmakers from 70 countries, that will go on show at the Royal Geographical Society in London from 29 June to 21 August. The winners will be announced on 28 June. Here: Gravel Workmen of Chittagong, Bangladesh, by Faisal Azim. Gravel workmen look through a glass window at a gravel-crushing yard in Chittagong. Full of dust and sand, it is an extremely unhealthy environment for working, but still hundreds of people work here for their livelihoods. (Photo by Faisal Azim/2016 Atkins CIWEM Environmental Photographer of the Year)

Sophie Turner (L) attends HBO's Official 2019 Emmy After Party on September 22, 2019 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic for HBO)

A rainbow cuts through a squall above The Needles, the Isle of Wight, on Tuesday evening, April 16, 2024. (Photo by Jamie Russell/IslandVisions via BNPS)

Chimpanzees are fascinated as bubbles are fired from a bubble gun at the Tacugama Chimpanzee Sanctuary in Sierra Leone in the second decade of June 2024. The keepers used non-toxic soap liquid to create the bubble barrage. (Photo by Renato Granieri/Media Drum Images)

A man in a wartime uniform, poses for a photo on an abandoned tank at a beach, ahead of the 60th anniversary of Second Taiwan Straits Crisis against China, in Kinmen, Taiwan on August 19, 2018. (Photo by Tyrone Siu/Reuters)

Carey Williams leaps into the icy waters of the Snake River for the 2022 Polar Plunge at the Hells Gate Marina on Saturday, January 1, 2022, in Clarkston, Wash. (Photo by August Frank/Lewiston Tribune via AP Photo)

American actor and musician Jared Leto climbs The Empire State Building on November 08, 2023 in New York City. (Photo by Roy Rochlin/Getty Images for Empire State Realty Trust)