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Edited with GNU Emacs |
Aug 2005
The case for carbon capture and storage
Stephens, JC Van der Zwaan, B
ISSUES IN SCIENCE AND TECHNOLOGY 22:1 68-76
Human activity releases approximately 25 billion tons of carbon dioxide into the atmosphere every year, building up the levels of greenhouse gases that are responsible for global climate change. The world’s forests store about 2 or 3 billion tons of that output annually, and the ocean absorbs 7 billion tons. Itis estimated that another 5 to 10 billion tons, as much as 40% of man-made carbon dioxide, could be removed from the atmosphere and safely stored away. Methods of storage are being researched, for example underground geological storage. Issues of safety and cost and feasibility need to be addressed before the government can push for carbon capture and storage.