So says Sen. Barbara Boxer (D-Calif.), head of the Environment and Public Works Committee, who announced this afternoon that the panel will hold hearings on Boxer’s climate change bill over the course of three days later this month. The announcement is good news for environmentalists, who watched House lawmakers pass a comprehensive ( if watered down ) climate change bill over the summer, only to see the Senate dragging its feet even to unveil a bill. That, Boxer says, is about to change. “