Article on Global Carbon Dioxide Levels

On September 30, 2016, the CBC featured an article titled "Global carbon dioxide levels reach highest point ever, likely for good" (by Laura Wright). The article notes the new numbers from the Scripps carbon dioxide monitoring program at the Mauna Loa observatory in Hawaii, which indicate that for the first time, global carbon dioxide levels have stayed at above 400 ppm for all twelve months of the year.