Almost three decades ago, at a conference at the Woods Hole Institute, oceanographer John Martin said with “a half a tanker of iron…I will give you the next ice age.”Martin was referring to a process now known as ocean iron fertilization (OIF) that he hypothesized could create vast amounts of phytoplankton. By literally dumping iron … Continue reading Consensus, Certainty, and Catastrophe: The Debate Over Ocean Iron Fertilization