The Senator George J. Mitchell Center for Sustainability Solutions at the University of Maine will host a talk about sustainability in Maine’s secondhand economies from 3–4 p.m. Monday, Sept. 20.   While Mainers have been reusing goods for a long time, concerns around climate change, resource scarcity and depletion, and increasing levels of waste have focused read more Mitchell Center hosts talk about finding the hidden sustainability gems in Maine’s reuse markets