Yale Environment 360: A project sponsored by a controversial U.S. businessman dumped about 100 tons of iron sulphate into the Pacific Ocean this summer, an experiment in geoengineering that environmental groups say violated international agreements, The Guardian has reported. According to the report, satellite images appear to confirm that the iron dumped from a fishing boat sponsored by Russ George, the former CEO of Plankton Inc., triggered a nearly 10,000-squre-kilometer plankton bloom off Canada’s west coast. Some…