What is the 'trillionth tonne'?

01 March 2013

Portrait of Professor Myles Allen

with Professor Myles Allen
Professor of Geosystem Science

Myles Allen is Professor of Geosystem Science in the School of Geography and the Environment, University of Oxford and Head of the Climate Dynamics Group in the University's Department of Physics. His research focuses on how human and natural influen...

Over the past 250 years, we’ve burnt half a trillion tonnes of fossil fuels and deposited all that CO2 into the atmosphere. At the current rate of progress, we’re set to use the next half trillion tons in about 35 years with the resultant effects on global warming and climate change. Professor Myles Allen questions where we go from here.