Think of it as a giant, high-tech, carbon-dioxide-sucking Lego wall.
Do me a favor and stare at the air in front of you.
Yep — right in front of you. I know you can't see it, but you're staring at a lot of carbon dioxide.
Carbon dioxide naturally cycles between living things and the environment. Think back to your second grade photosynthesis lessons: photosynthesis happens when plants take carbon dioxide out of the air and convert it into oxygen. Then humans and animals...