As Ann Arbor officials consider a new contract to haul the city’s recyclables to a Lansing facility just over 60 miles away, the Sierra Club and others are urging the city to instead fix up and reopen Ann Arbor’s own recycling plant, the Materials Recovery Facility off Platt Road. The message is simple: “Fix our MRF,” said Dan Ezekiel, chairman of the Sierra Club’s Huron Valley Group in Ann Arbor.