Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe

Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe

Barragem do Alqueva dam, part of the multipurpose water management project on the Rio Guadiana river, hydro-electricity generation electricity power lines, Moura, Portugal, Europe

Children washing clothes in a drain pumping water from the Nile to supply a crop irrigation channel around the village of Ramadi, west bank of the Nile south of Edfu, Egypt, North Africa, Africa

Pumping station to supply agricultural irrigation channels, Bank of the Nile River near Esna, Egypt, North Africa, Africa

View of the old water catchment area atop Green Mountain on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

High angle view of Maras salt marsh terraces, Salinas de Maras, Cuzco Region, Peru, South America

Tilbury Fort, Tilbury, Essex, England, United Kingdom, Europe

Washing beside the drain pumping water from the Nile to supply a crop irrigation channel around the village of Ramadi, west bank of the Nile south of Edfu, Egypt, North Africa, Africa

Overflooding lake Tanganjika, Kalemie, Tanganyika proince, Democratic Republic of Congo, Africa

Miabi water reservoir, Mbuji Mayi, Eastern Kasai, Democratic Republic of Congo, Africa

Aqueduct dug into the walls of the Siq, narrow gorge leading to the historic and archaeological Nabataean city of Petra, UNESCO World Heritage Site, Jordan, Middle East

Equipment ready for fish harvest on Rozmberk Pond with fishermen on boats in background, UNESCO Biosphere, Trebon, Jindrichuv Hradec District, South Bohemian Region, Czech Republic (Czechia), Europe

Construction, water pipes

Firefighting aircraft Canadair CL 415, French Sécurité Civile, filling with seawater to extinguish forest fires, Mediterranean Sea, Provence-Alpes-Côte d'Azur, France, Europe

Fire extinction, firefighting aircraft Canadair CL 415, French Sécurité Civile, dropping seawater, large-scale forest fire in Castellar, Maritime Alps

Fire extinction, firefighting aircraft Dash 8 Q400 MR, French Sécurité Civile, dropping extinguishing agent, large-scale forest fire in Castellar, Maritime Alps, Provence-Alpes-Côte d'Azur, France, Europe

Untreated sewage being pumped into the ocean in Georgetown, Guyana, South America

Fire extinction with firefighting aircraft Dash 8 Q400 MR, French Sécurité Civile, large-scale forest fire in Castellar, Maritime Alps, Provence-Alpes-Côte d'Azur, France, Europe

Fire extinction, firefighting aircraft Canadair CL 415, French Sécurité Civile, dropping seawater, large-scale forest fire in Castellar, Maritime Alps

Schloss Gracht castle, seat of the ESMT European School of Management and Technology, Erftstadt, North Rhine-Westphalia, Germany, Europe

Schloss Gracht castle, seat of the ESMT European School of Management and Technology, Erftstadt, North Rhine-Westphalia, Germany, Europe

Bison Walking In The Early Morning Through The Snow, Elk Island National Park, Alberta, Canada

Spectacular formation of vibrant colors in swirls of fragile sandstone is known as The Wave and is located in the Coyote Buttes section of Vermilion Cliffs National Monument. An unmarked wilderness trail limits hikers and requires a permit from the Bureau of Land Management, Arizona, United States of America

Polder or re-claimed lands, North Holland, Netherlands

Polder or re-claimed lands, North Holland, Netherlands

Man holding empty water bottles

Man holding empty water bottles

Man with recycling bin

Glass of water

Glass of water

Honey Island Swamp in White Kitchen Nature Preserve

Small alligator in Honey Island swamp

Honey Island Swamp in White Kitchen Nature Preserve

Honey Island Swamp in White Kitchen Nature Preserve

Honey Island Swamp in White Kitchen Nature Preserve

Honey Island Swamp in White Kitchen Nature Preserve

Honey Island Swamp in White Kitchen Nature Preserve

Honey Island Swamp in White Kitchen Nature Preserve