The Secret of Trees (2013) is a Documentary film that follows 13-year-old inventor Aidan has discovered that trees use a mathematical formula to gather sunlight in crowded forests. Now he wonders why we don't collect solar energy the same way. The Secret of Trees is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.0 out of 10 from 1 votes. Fans of documentary movies may also want to explore similar titles below.