Baltimore Sun: Maryland would become one of a handful of states to commit on its own to reducing global-warming pollution under legislation approved in both chambers of the General Assembly. The House of Delegates voted, 107-31, Friday for the measure, which would require the state to cut greenhouse gases by 25 percent by 2020; the Senate approved its version earlier this month. Lawmakers said they expect to easily resolve differences between the two versions and send the bill to Gov. Martin …