Seven U.S. Western states are joining four Canadian provinces to propose a plan to limit greenhouse gas emissions through use of a "cap and trade" system. The draft plan, made public Wednesday by Oregon Gov. Ted Kulongoski's office, is aimed at gradually reducing carbon emissions across Oregon, Arizona, California, Montana, New Mexico, Utah and Washington. The plan, which also would extend to British Columbia, Manitoba, Ontario and Quebec in Canada, is keyed to a cap and trade system on utilities and industries that are major sources of greenhouse gases. Such a system would reduce pollution by requiring those sectors to meet tough emissions standards. Under a cap and trade program, businesses that cannot cut their emissions because of cost or technical hurdles would be allowed to buy emission credits from companies that have...
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