Most of the technology effort is going toward alternative energy sources and energy efficiency but there are technologies proposed which would allow us to clean up existing fossil fuel energy usage.
Energy Efficiency Transportation Hybrid and Electric Cars Improved Airplane design Green Homes and Buildings Technological Advances Carbon Emission Reduction Artificial - Capture and Sequestration Natural - Reforestation Reflecting sunlightCarbon Capture and Sequestration (CCS)- Capturing CO2 and putting it somewhere where it won't be released into the atmosphere.
Other far out proposals:
Reflecting sunlight: Sun Shields in space: Aersols in space: Cloud Seeding: Geoengineering The Planet giant sun-shield AstroBio.net Shading the Earth = National Geographic MagazineReforestation:
YouTube - Discovery Channel Project Earth: Forest Torpido
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