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RALPH KEELING
You’re the centerpiece in a phenomenon not seen in 30 million yearsEarth's atmosphere has surpassed 430 ppm of carbon dioxide in May 2025, a record high in millions of years, primarily due to human activiti...
Carbon dioxide reaches dangerous levels, more than plants can take inThe average carbon dioxide level for May was 419.13 parts per mn.
CO2 reaches its highest level in more than 4 million yearsThree centuries ago, before the beginning of the industrial age, geological records show that number was 280 ppm. In other words, by burnin...