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The current level is at 400 ppm, while that graph only goes to 300.
by erdewit 8y ago
The current level is at 400 ppm, while that graph only goes to 300.
- nonbel 8y agoI'm not sure how they argue that ice core CO2 is representative for the earth, but on the face of it I wouldn't compare Mauna Loa measurements (from near the equator and at thousands of feet above sea level on the largest active volcano on the planet) with those directly above the Antarctic surface.