/ Dioxide Content for UC Davis en /news/what-ancient-co2-record-may-indicate-future-climate-change <p>The last time Earth experienced both ice sheets and carbon dioxide levels within the range predicted for this century was a period of major sea level rise, melting ice sheets and upheaval of tropical forests.</p> <p>The repeated restructuring of tropical forests at the time played a major role in driving climate cycles between cooler and warmer periods, according to a study led by the 榴莲视频, Davis and published today in the journal <em>Nature Geoscience</em>.</p> October 24, 2016 - 11:08am Katherine E Kerlin /news/what-ancient-co2-record-may-indicate-future-climate-change