New York Times: An alliance of seven Western states and four Canadian provinces unveiled a blueprint on Tuesday for the most far-reaching effort in North America to curb emissions linked to climate change. The draft of the proposal by the alliance, the Western Climate Initiative, is intended to achieve a 15 percent cut in greenhouse-gas emissions by 2020. It cuts emissions from industries across the economy and from transportation and housing; a plan being put into effect by 10 northeastern states …