New York Times: Ten states from Maryland to Maine are about to undertake the nation`s most serious effort yet to tackle climate change, putting limits on carbon dioxide emissions from utilities and making them pay for each ton of pollutants. The program is due to get off the ground in nine days, but already there are worries that it may fail to reduce pollution substantially in the Northeast, undermining a concept that is being watched carefully by the rest of the country, by Congress and by European …