Come celebrate the first day of DC Climate Week 2026 with the Ralph O’Connor Sustainable Energy Institute! ROSEI will be hosting an Earth Day Showcase as a kickoff celebration at the Hopkins Bloomberg Center (555 Pennsylvania Avenue) in Washington DC on April 20 from 8:30 AM – 1:30 PM.

Registration for this event has closed. Please contact Gretchen Erdmann-Hermans if you would still like to attend.