Tagged: astmospheric co2

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

Removing atmospheric CO2 won’t save us: we must cut emissions now - Guest Work

Guest Author Dec 08, 2015

Pete Smith, University of Aberdeen and Pep Canadell, CSIRO Over 190 countries are negotiating in Paris a global agreement to stabilise climate change at less than 2℃ above pre-industrial global average temperatures. For a reasonable chance of keeping warming under 2℃ we can emit a further 865 billion tonnes of carbon dioxide (CO2). The climate … Read More