2. Paul Shapiro on making Earth look greener from space

Just like we need several alternatives of clean energy to replace fossil fuels, we need several alternatives of sustainable proteins to replace animals-based proteins. A four-time TEDx speaker, Paul Shapiro serves as the CEO of sustainable protein company The Better Meat Co. He's also the author of the bestseller Clean Meat: How Growing Meat Without Animals Will Revolutionize Dinner and the World and host of the Business for Good Podcast. He believes in the power of commerce to help solve some of humanity's biggest problems.