Tuesday, February 21, 2006

Planktos, Inc. "Seeds of Iron " to Mitigate Climate Change
















This story is about a proposal, by Planktos, Inc., to stimulate large-scale natural marine plankton blooms by "iron seeding", in-situ, for the purpose of scouring carbon dioxide from the air. Why do this? One reason is that if our collective response to Climate Change is limited to lessening future CO2 emissions with better technologies today, these same technologies may be used more intensely in the future. Such a narrow focus also overlooks legacy emissions of CO2 that will remain in the stratosphere for decades, possibly capable of cascading us, in one highly uncertain scenario, to a catastrophy which no amount of new technology or life style changing could reverse. The Planktos proposal would mitigate both the legacy CO2 emissions and future emissions from higher performing technologies. The response time for plankton stimulation is relatively short and done with more finality than other biotic mitigation techniques, such as tree planting. And, it does something crucial that "carbon sequestration", can not, which we'll explain a bit later.


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