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landscape photograph showing construction vehicles and dark sand-like slopes along a body of brown water, forests, clouds
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Sediment deposits at the discharge outlet of a hydropower facility on the Rio Coca, Ecuador.
Woman in a blue raincoat and a steeply eroded river valley with forests on top and grey exposed soil and rocks, cloudy sky
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Molly Wood at a viewpoint on the Rio Coca, Ecuador, where substantial erosion and landslides have occurred
gangway on left leads to a standpipe down to brown stream with forested hills and the brown stream in the background
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Sediment and flow monitoring station on the Rio Quijos, Rio Coca watershed, Ecuador
landscape showing river valley with bare steep hillsides and green forests on the hill tops
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Rapid erosion of hillsides along the Rio Coca in Ecuador after collapse of a lava dam.
Landscape showing stream floodplain and erosion of streambanks, with cloudy sky and forested mountains
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Streambank erosion on the Rio Coca after a waterfall collapse, Ecuador.
Mountainous landscape with green trees, cloudy sky, a river meandering and exposed soil and rock on steep cliffs
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Regressive erosion on the Rio Coca upstream of the former San Rafael waterfall site, Ecuador
Reservoir and concrete dam structures and buildings with cloudy sky and forested hillsides
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Upstream diversion dam at Coca Codo Sinclair hydropower facility on the Rio Coca, Ecuador
Rushing river, green vegetation and waterfalls in background
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Iguazu Falls
Looking down into Iguazu Falls waterfalls from above. Flat horizon and white fluffy clouds on top half of photo.
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Iguazu Falls from above
Boardwalk leading towards Iguazu Falls
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Iguazu Falls boardwalk
Dam spillway surrounded by green trees on either side
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Itaipu Binacional Dam spillway
View looking up at Itaipu Binacional hydroelectric dam and sign from below
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Itaipu Binacional hydroelectric dam
Two scientists stand on and on shore near Itaipu Binational boat used for bathymetric surveys.
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Itaipu Binacional boat used for bathymetric surveys
Twenty two people standing and smiling, a mix of USGS and Itaipu Binacional scientists
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USGS and Itaipu Binacional staff from Paraguay and Brazil
Three people in hard hats and an orange reflective shirt stand on a rocky floor inside a dry dam
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USGS employees inside Itaipu Binational Dam on Parana River bottom
Itaipu Binacional large letter sign in front of dam
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Itaipu Binacional Dam sign in front of spillway
Person in hard hat looks through windows down into a dam control room.
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Itaipu Binacional hydroelectric dam control room
Participants sitting at long table at UN Water Conference
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UN Water Conference speakers
Discussion between participants at UN Water Conference
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Discussion between participants at United Nations 2023 Water Conference
Eleven participants at the UN Water Conference smiling and standing behind desk and chairs
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Speakers who presented at United Nations 2023 Water Conference
Large individual letter sign that states "#wateraction" with New York City skyline in background
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#WATERACTION sign at the United Nations 2023 Water Conference