A musical investigation into the causes and effects of global climate change and our opportunities to use science to offset it. Featuring Bill Nye, David Attenborough, Richard Alley and Isaac Asimov. "Our Biggest Challenge" is the 16th episode of the Symphony of Science series by melodysheep.
- Are We Changing Planet Earth? - Bill Nye - Climate - Eyes of Nye - Climate Change - Earth: The Operator's Manual - An Inconvenient Truth - Hot Planet - How Many People Can Live on Planet Earth - Human Planet