a press conference on the roof of ENR2 overlooking the city of Tucson Chris Richards/University of Arizona USDA Deputy Undersecretary for Farm Production and Conservation Gloria Montaño Greene (at podium), Tucson Mayor Regina Romero (right) and others gathered Tuesday morning under solar panels on the ENR2 building rooftop to announce a nearly $4.8 million USDA grant that will support and promote 'climate-smart' food production. The project is led by the University of Arizona, and partners include the University of Maryland and three Arizona nonprofits.