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Parts 1-5 by Hugh Powell, Part 6 by Kate Madin and Amy Nevala

Part 1 - Fertilizing the Ocean with Iron: Should we add iron to the sea to help reduce greenhouse gases in the air? November 19, 2007

Part 2 - Will Ocean Iron Fertilization Work? Getting carbon into the ocean is one thing. Keeping it there is another. January 7, 2008

Part 3 - What are the Possible Side Effects? The uncertainties and unintended consequences of manipulating ecosystems. January 8, 2008

Part 4 - Lessons from Nature, Models and the Past: Other lines of evidence inform the debate on ocean iron fertilization. January 9, 2008

Part 5 - Dumping Iron and Trading Carbon: Profits, pollution, and politics all will play roles in ocean iron fertilization. January 10, 2008

Part 6 - Proposals Emerge to Transfer Excess Carbon into the Ocean: Increasing urgency about climate change has spurred schemes that may seem radical. January 11, 2008

Last updated: May 7, 2008

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