#443 Earth Optimism Earth Day 50th – Paul DelPonte

#443 Earth Optimism Earth Day 50th – Paul DelPonte

Earth Optimism Earth Day 50th – Paul DelPonte Smithsonian Associates Inside Science & Technology Interview Series Welcome to The Not Old Better Show. I’m Paul Vogelzang, and this is episode #443. As part of our Smithsonian Associates, Inside Science, Earth...