Is climate change man-made or natural? In this video, I discuss how we can tell the difference between human-induced climate change and natural climate change, specifically regarding the modern climate trend. 0:00 How do we know it’s us? 1:18 Timing is not a coincidence 2:01 Tracking how much C we burn 2:32 C isotope signatures don’t lie 6:28 Associated oxygen depletion 8:20 Models (not the kind you think) 9:31 ‘Small amount’ of C emissions = misleading References: Biogeochemistry: An Analysis of Global Change, 4th Ed. NASA industrial revolution & CO2: NOAA climate change & CO2: Graven et al., 2020: C isotopes of human emissions- Harrington, 2018: C isotopes of human emissions- Schmidtko et al., 2017: Richard Wolfson, 2007- Earth's Changing Climate: Richard Wolfson, 2011- Energy, environment, and climate: richard climate change&ots=rWZdfVhZHi&sig=0Wubru3cpKAogd_r6dIqC3aXLWY C budget simulation: #chart_illustration GEO GIRL Website: (visit my website to see all my courses, shop merch, learn more about me, & donate to support the channel if you'd like!) Hey there, Earth enthusiast! Check my favorite Earth-friendly products: Bamboo toilet paper: Bamboo paper towels: Compostable tableware: Compostable trash bags: Bamboo cutlery straw! : Eco-Friendly Tote (great for grocery shopping!): Reusable straws cleaning brushes (my fav!): Eco-friendly laundry detergent: Directly offset your carbon footprint with Wren: (Just click link, press get started, take the free C footprint quiz, then choose how much you want to reduce your footprint by donating to the C sequestration projects they're funding!) Non-textbook books I recommend: Oxygen by D. Canfield: Brief history of Earth by A. Knoll: Life on young planet by A. Knoll: Some assembly required by N. Shubin: Your inner fish by N. Shubin: Oxygen by N. Lane: Alien Oceans by K. Hand: Life's Engines: Tools I use as a geologist/teacher/student: Geology field notebook: Geology rock hammer: Geological compass: Geological hand lens: Camera: Carbon-neutral pencil bag: Carbon-neutral backpack: Disclaimer: Links included in this description might be affiliate links. If you purchase a product or service with the links that I provide I may receive a small commission, but there is no additional charge to you! Thank you for supporting my channel so I can continue to provide you with free content each week! And as always, let me know your topic suggestions in the comments down below!
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