The President’s Council of Advisors on Science and Technology is working with local stakeholders to determine how the federal government can help communities dependent on groundwater protect the dwindling resource.By Wyatt MyskowPHOENIX—In the middle of summer in the nation’s hottest city, water experts from local governments, tribal nations, universities and industry groups gathered Monday to discuss how the federal government could help local communities sustainably manage their declining aquifers.