SLIDE 1
Core Samples and Proxies Tell the Story
- f Past Levels of CO2 Concentration
Climate Change: What Should We All Do Now? June 27, 2019 Core - - PowerPoint PPT Presentation
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* Paleocene-Eocene Thermal Maximum
(Petit et al. 1999)
Ice Core record of past 420,000 years:
Upper, blue line = CO2 level Lower, red line = temperature
Temperature and CO2 record from Vostok, Antarctica 405 ppm
Energy Bar Association