A few years ago, someone wanted to dump tons of iron dust into the oceans to promote algae growth. (realclimate.org)
In the coming days to weeks, Planktos, a small California - based «ecorestoration» company, will use a 115 - foot (35 - meter) research ship to dump a hundred tons of iron dust into international waters some 200 miles (322 kilometers) west of the Galápagos Islands. (news.nationalgeographic.com)
In the summer of 2008 Mount Kasatoshi in Alaska's Aleutian Islands blew, sending volcanic minerals, including iron dust, far to sea and prompting plankton blooms across the Gulf of Alaska. (scientificamerican.com)