
Past, present, future: how human evolution and climate are linked - Guest Work
Guest Author • Jun 07, 2016 •
By Andrew Glikson, Australian National University Over the past year, carbon dioxide (CO₂) levels in the atmosphere have risen faster than any period in the past 55 million years. That’s the finding of my study published in Global Change Biology. From April 2015 to April 2016, CO₂ levels rose by 4.6 parts per million (ppm), reaching a … Read More