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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. Signs of Warming In the 1800s, the Swedish chemist Arrhenius first suggested that Earth was experiencing a "greenhouse effect." We compare the effect on Earth and its twin, the planet Venus. We also look at how burning fossil fuels is changing Earth's environment. Learn More... The Enhanced Greenhouse Effect and Global Warming Sources of Greenhouse Gases Signs of Warming External Links EPA Climate Change Site Svante Arrhenius Biography of Svante Arrhenius

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