Most of Earth’s Oxygen Doesn’t Come from Trees – Here’s Why

Transcript

Take a deep breath. No, seriously, do it. Feel that air filling your lungs. The oxygen you just inhaled probably didn't come from a tree, not a pine, not an oak, not even the majestic redwood you saw on your California road trip and swore had healing powers. Because here's the truth that surprises almost everyone. Most of the oxygen on Earth doesn'... Read More