Scientists have argued that no more than 275 GtC (IPCC, 2013) of the world’s reserves of fossil fuels of 746 GtC can be produced in this century if the world is to restrict anthropogenic climate change to ≤2 °C. This has raised
Richard Heede,Naomi Oreskes. Potential emissions of CO<sub>2</sub> and methane from proved reserves of fossil fuels: An alternative analysis[J]. Global Environmental Change-Human and Policy Dimensions,2016-01-01,Volume 36(January 2016):Pages 12-20.