Summer Learning: Earth Explorers Blooms Citywide on June 18 June 11, 2018 | By Mary Kate Categories: Summer Learning Challenge | Tags: Boeing, Chicago Events, Cubs Care, Helen M. Harrison Foundation, Macy’s, McCormick Foundation, Paul M. Angell Foundation, Peoples Gas, PNC Bank, Rahm's Readers, Rice Foundation, Summer Learning Challenge, Walter E. Heller Foundation, Westinghouse, Wintrust This year's theme is Earth Explorers with a focus on sustainability, renewable energy, and being good global citizens with events and activities at every branch of Chicago Public Library ALL summer long!