"California's cap-and-trade rules would set up the largest U.S. carbon trading market as the way to enforce the state's gradually tightening cap on emissions.A New Way to Buy Wind PowerMillions of people think about buying solar cells for their roofs, but far fewer would consider owning a wind turbine.An Oregon manufacturer of small wind systems is trying to change that by borrowing a financial strategy from the solar industry: the customer provides a space for the… [read post]