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Tag Results - 400PPM

400ppm in Context

400ppm in Context

Jun 26, 2016

Analysis of ancient air bubbles recovered from deep within Antarctic ice indicates that current level of atmospheric carbon dioxide is the highest in at least 800,000 years.

Major Milestones

Major Milestones

Dec 9, 2015

Major milestones in carbon dioxide (CO2) concentration and average global temperature have been reached.