David Woodfall / Woman walking through polluted slum, Dhaka, Bangladesh, July 2008
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Chris & Monique Fallows / Lesser Flamingo (Phoeniconaias minor) flock at Strndfontein sewerage works, Cape Town, South Africa.
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Bryan and Cherry Alexander / Wet ground outside house; few houses have toilets so most people use buckets that they empty outside their homes. Neshkan, Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010
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Matthew Maran / A toilet cubicle in a wooden shelter. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010.
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David Woodfall / Building an outside toilet in industrial slum, Bhopal, Madhya Pradesh, India, November 2008
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Neil Bromhall / Naked mole rat urinating in loo chamber {Heterocephalus glaber} Kenya, East Africa
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Jack Dykinga / Great blue heron (Ardea herodias) landing in foaming water discharged from water treatment works into Sweetwater Wetlands. Tucson, Arizona, USA. 2020.
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Jack Dykinga / Great blue heron (Ardea herodias) fishing in foaming water discharged from water treatment works into Sweetwater Wetlands.Tucson, Arizona, USA. 2020.
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Jack Dykinga / Great blue heron (Ardea herodias) fishing in foaming water discharged from water treatment works into Sweetwater Wetlands. Tucson, Arizona, USA. 2020.
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Jack Dykinga / Great blue heron (Ardea herodias) fishing in foaming water discharged from water treatment works into Sweetwater Wetlands. Tucson, Arizona, USA. 2020.
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Jack Dykinga / Great blue heron (Ardea herodias) fishing in foaming water discharged from water treatment works into Sweetwater Wetlands. Tucson, Arizona, USA. 2020.
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Jack Dykinga / Great blue heron (Ardea herodias) fishing in foaming water discharged from water treatment works into Sweetwater Wetlands. . Tucson, Arizona, USA. 2020.
