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Can We Cool the Planet? | Full Documentary I NOVA | PBS

Scientists look to geoengineering and other methods to cool the planet. Official Website: https://to.pbs.org/3lWpliq | #novapbs As global temperatures continue to rise, scientists are wondering if we need solutions that go beyond reducing emissions. From sucking carbon straight out of the air, to geoengineering our atmosphere to physically block out sunlight, to planting more than a trillion trees, the options may seem futuristic or tough to implement. But as time runs out on conventional solutions to climate change, scientists are asking the hard questions: Can new, sometimes controversial, solutions really work? And at what cost? Chapters 00:00 Introduction 05:02 The Impact of Carbon Dioxide on the Atmosphere 12:15 Removing CO2 from the Atmosphere: Where Does it Go? 19:16 Innovations Made from Recycled Carbon Dioxide 24:33 How Carbon Dioxide Emissions Can Be Reduced to Net Zero? 34:41 Impacts of Solar Geoengineering 38:00 Can Trees Help Decrease CO2 in the Atmosphere? 46:05 Can Grasslands Help Decrease CO2 in the Atmosphere? 48:49 Conclusion A NOVA Production by Mangrove Media LLC for GBH Boston in association with ARTE France. © 2020 WGBH Educational Foundation All rights reserved This program was produced by GBH, which is solely responsible for its content. Some funders of NOVA also fund basic science research. Experts featured in this film may have received support from funders of this program. Funding for NOVA is provided by Draper, the David H. Koch Fund for Science, the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers. This program is made possible by viewers like you. Support your local PBS station here: https://pbs.org/donate/ Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS app: https://to.pbs.org/2QbtzhR FOLLOW US: NOVA YouTube:    / novaonline   Facebook:   / novapbs   ​ X:   / novapbs   ​ Instagram:   / novapbs   TikTok:   / novapbs   PBS Facebook:   / pbs   X:   / pbs   Instagram:   / pbs   YouTube:    / pbs   TikTok:   / pbs   Shop: https://shop.pbs.org/