What really happens to the plastic you throw away - Emma Bryce. What would happen if every human suddenly disappeared? - Dan Kwartler. Why isn’t the Netherlands underwater? - Stefan Al. Why is biodiversity so important? - Kim Preshoff. Which type of milk is best for you? - Jonathan J. O’Sullivan & Grace E. Cunningham. What if there were 1 trillion more trees? - Jean-François Bastin. Can 100% renewable energy power the world? - Federico Rosei and Renzo Rosei. When will the next ice age happen? - Lorraine Lisiecki. The “myth” of the boiling frog. How do ocean currents work? - Jennifer Verduin. The world’s most dangerous fart - Nick Caruso and Dani Rabaiotti. What happens if you cut down all of a city's trees? - Stefan Al. Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet. Whatever happened to acid rain? - Joseph Goffman. Can we create the "perfect" farm? - Brent Loken. Climate change: Earth's giant game of Tetris - Joss Fong. Vultures: The acid-puking, plague-busting heroes of the ecosystem - Kenny Coogan. The material that could change the world... for a third time. The science of smog - Kim Preshoff. Volcanic eruption explained - Steven Anderson. “What happened when we all stopped” narrated by Jane Goodall. Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl. Can wildlife adapt to climate change? - Erin Eastwood. The last living members of an extinct species - Jan Stejskal. How long will human impacts last? - David Biello. Are we running out of clean water? - Balsher Singh Sidhu. Why good ideas get trapped in the valley of death— and how to rescue them. A brief history of plastic. Which bag should you use? - Luka Seamus Wright and Imogen Ellen Napper. The world's biggest battery looks nothing like a battery. What’s a smartphone made of? - Kim Preshoff. Can the ocean run out of oxygen? - Kate Slabosky. How quantum mechanics explains global warming - Lieven Scheire. The world’s largest organism - Alex Rosenthal. The sharks that hunt in forests - Luka Seamus Wright. How to create cleaner coal - Emma Bryce. Is the weather actually becoming more extreme? - R. Saravanan. How to grow a glacier - M Jackson. What’s the best fuel for your car?. The wildly complex anatomy of a sneaker - Angel Chang. The big-beaked, rock-munching fish that protect coral reefs - Mike Gil. This sea creature breathes through its butt - Cella Wright. How much land does it take to power the world?. The carbon cycle - Nathaniel Manning. Underwater farms vs. climate change - Ayana Elizabeth Johnson and Megan Davis. How much electricity does it take to power the world?. How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor. How one scientist took on the chemical industry - Mark Lytle. The nurdles' quest for ocean domination - Kim Preshoff. Iceland's superpowered underground volcanoes - Jean-Baptiste P. Koehl. Is our climate headed for a mathematical tipping point? - Victor J. Donnay. Cloudy climate change: How clouds affect Earth's temperature - Jasper Kirkby. Why the Arctic is climate change's canary in the coal mine - William Chapman. Phenology and nature's shifting rhythms - Regina Brinker. A 40-year plan for energy - Amory Lovins.