Скачать или смотреть Astro4Earth Webinar - Dr. David Helfand Q&A

Welcome to the Astronomers for Planet Earth (A4E) webinar series, hosted by Dr. Travis Rector. Our guest speaker is Dr. David Helfand, an astronomer at Columbia University. He talked about how we know unambiguously that the rising carbon dioxide levels in our atmosphere are due to the burning of fossil fuels.

This is a recording of the live Q&A session held October 23rd, 2020. Dr. Helfand's original talk is available here:    • Astro4Earth Webinar - Dr. David Helfand  

Astronomers for Planet Earth is an organization of professional astronomers, educators, and students dedicated to helping people understand the causes, consequences, and solutions for climate change. To learn more or to join please visit: https://astronomersforplanet.earth