carbon dioxide levels

Carbon dioxide levels

Carbon dioxide levels

Global carbon dioxide levels near worrisome milestone Concentrations of greenhouse gas will soon surpass 400 parts per million at sentinel spot. Near the moonscape summit of the Mauna Loa volcano in Hawaii, an infrared analyser will soon make history. Sometime in the next month, it is expected to record a daily concentration of carbon dioxide in the atmosphere of more than 400 parts per million...

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Carbon dioxide levels

Carbon dioxide levels

NOAA: Carbon dioxide levels reach milestone at Arctic sites NOAA cooperative measurements in remote, northern sites hit greenhouse gas milestone in April The concentration of carbon dioxide in the atmosphere of Barrow, Alaska, reached 400 parts per million (ppm) this spring, according to NOAA measurements, the first time a monthly average measurement for the greenhouse gas attained the 400 ppm...

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