Learn the basic science of climate change in 24 easy steps Subscribe to It's Okay To Be Smart: ****** ↓ More info and sources below ↓ Follow on Twitter: ****** Follow on Tumblr: ****** Follow on Instagram: ****** Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lots of carbon dioxide in the atmosphere. Whether you already trust in the science, you're undecided, ed, or you disagree with what all this, this video is for you! SOURCES LISTED HERE: ****** Want to learn about the science of climate change and why humans are causing it, but in layman's terms? I recommend these books: Climate Change: Evidence and Causes (National Academy of Sciences/Royal Society) FREE ebook: ****** Global Weirdness (Climate Central) ****** How to Change Minds About Our Changing Climate (Seth Darling Douglas Sisterson) ****** Have an idea for an episode or an amazing science question you want answered? Leave a comment below! ----------------- It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.DFollow me on Twitter: @jtotheizzoe Email me: itsokaytobesmart AT gmail DOT com Facebook: ****** Google ****** For more awesome science, check out: ****** Produced by PBS Digital Studios: ****** Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Andrew Matthews - Editing/Motion Graphics Katie Graham - Director of Photography John Knudsen - Gaffer Dalton Allen - Post-Production Intern Theme music: "Ouroboros" by Kevin MacLeod ----------------- Last week's video: Building Curiosity ****** More videos: Why Are Some People Left-Handed? ****** Why Did We Blow on NES Games? ****** The Science of Game of Thrones - ****** There Was No First Human - ****** How The Elements Got Their Names - ******