In this episode we learn how the earth “breathes” and why trees are so important. ADVENTURE: Chuck and Andy go fly a kite. à only to find that there is no wind. Along the way they discover how kites fly, and how air moves and why trees are not so great for kites. THE LAB: It’s the middle of the summer and GP finds that the air outside is really stinky. The air pollution is really starting to get to himà Dr. Greenie and GP explore ways to keep us all breathing cleaner air.

Originally released by Distribution360, 2012. Streaming video file encoded with permission for digital streaming by Infobase on June 26, 2015.

Urban Community Gardening (3:32); --Glacier National Park (3:45); -- Greenhouse Effect (1:30); -- Re-Greening Big Nickel Road (3:36); -- Magnetic Carbon Dioxide Removal (2:42); -- Michael's Creature Feature (3:21); -- Plants: Natural Air Cleaners (1:36); -- Credits: GP's Bad Air Day: Planet Echo Season 2 (1:02);.