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- A Hole in the Ozone- Acid Rain- Aerosols- Climate Variability- Extreme Weather- Signs of Warming- The Greenhouse Effect- Carbon Sequestration- Ice Ages- Island Earth- Landslides- Tales Told By Trees- Amphibian Alarm- Biodiversity- Coral Reefs- Ecosystem Services- Fire Dependent Ecosystems- Global Change in Mountain Ecosystems- Mass Extinctions- North America's Thawing Cap- Phytoplankton- A Changing World- Changes in the Chesapeake Bay- City Lights- Future Energy Supplies- Material World- The Human Footprint- The Return of the Wolf- World Population- Future Forest Fires- Mortenson Ranch- Native Ecology- Prairie Potholes- Precision Agriculture- Fresh Water- Greenland's Thinning Ice- Melting at Glacier National Park- On Thin Ice- Paradise Lost- Water, Water Everywhere?

Subscribe to RSS feed. Subscribe to iTunes podcast. Fresh Water Aquifers, e.g. the Ogallala Aquifer are often viewed as inexhaustible sources of clean, fresh water. But overdraft of these systems will have a negative impact on regional economies. Learn More... Renewable Fresh Water Fresh Water Availability Surface Water Processes Groundwater Groundwater Overdraft External Links The World's Water The Ogallala Aquifer

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