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Blue Planet. Sanitation, climate change (drought, flooding, snowpack loss), shortages, pollution, hydropower, population growth, irrigation, biodiversity. Efficient use of water Inexpensive sanitation + education Pollution Prevention. Global ecosystem service. Precipitation. Evaporation.
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Blue Planet Sanitation, climate change (drought, flooding, snowpack loss), shortages, pollution, hydropower, population growth, irrigation, biodiversity Efficient use of water Inexpensive sanitation + education Pollution Prevention
Global ecosystem service Precipitation Evaporation Runoff Groundwater Runoff cun83198_0221.jpg
Global access to clean water Limited access in Africa, Asia United Nations Educational Scientific and Cultural Organization
Global threats to water supplyUNESCO, 2011: “In less than 25 years, 2/3 of world’s population will be living in water-stressed countries.”
Lake Victoria Nonpoint source pollution, untreated sewage Water diseases, including cholera, diarrhea, skin diseases East Africa: Kenya, Tanzania, Uganda Image via: Smuchai on Flickr.com
Citarum River Indonesia Nonpoint & point source pollution: 500 factories along banks Fish for trash, not fish Sanitation and health Image via: Sea-way.org
Great Lakes United States, Canada Auto, oil, steel, chemical industry Urban transportation Not the worst, but not yet clean Image via: Getty Images - Dennis Flaherty
Yellow River China Chemical spills, damming, urbanization Provides water for millions 1/3 of the river is unusable Image via: Getty Images - ChinaFoto Press
Matanza-Riachuela River Buenos Aires, Argentina 325,000 tons of sewage every day Lead, mercury, cadmium, nitrates, copper in the drinking water for 5 million people Image via: FJTU on Flickr.com
Lake Onondaga Syracuse, New York Hazardous waste site Industrial use Nonpoint source pollutants
Sarno River Italy Agricultural and sewage runoff Floods local lands Image via: Photos in Love on Flirckr.com
Lake Karachay Russia Radioactive waste dump from Mayak Nuclear Waste Storage Seeping through groundwater to the Arctic Enter global hydrological cycle
Yumana River India Spiritual river for millions 3.5 billion liters of sewage per day 100,000x greater than safe bathing limits City removes 1.1 billion liters each day Holy leaders considering pilgrimage boycott
Technology exists- what are other limitations? http://www.ted.com/talks/lang/eng/michael_pritchard_invents_a_water_filter.html