Crews are responding to a three-alarm fire Tuesday morning at a recycling facility in Northampton. County 911 said crews were called about 5:30 a.m. to 799 Smith Lane for a report of a fire. That’s the address for Greenstar Recycling. Firefighters were still at the scene as of about 10 a.m. Photos showed large plumes of smoke billowing from the structure. Northampton Borough Fire Department …..