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| Keeling Curve for Carbon Dioxide Concentration in parts per million from the late 1950s to the early 2010s for Mauna Loa, HI. |
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| Total fossil fuels emission from 1900 to the early 2010s for 6 countries across the globe. Data collected from http://cdiac.ornl.gov/trends/emis/tre_coun.html#K. |
