Is an artificial tree part of the solution to climate change? These guys think so.
Trees are nature’s tool for pulling carbon dioxide out of the air, but there aren’t enough trees in the world to suck up all the CO2 humans are putting there. That’s why researchers are pushing to create artificial leaves to help fight climate change. I visit with two teams of researchers pursuing different approaches to the formidable challenge.
My story aired earlier this week on PRI’s The World.