Pricing carbon is a central concern in environmental economics, due to the worldwide importance of emissions trading schemes to regulate pollution. This paper documents the presence of small and large jumps in the stochastic process of the CO<InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$_2$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <msub> <mrow/> <mn>2</mn> </msub> </math> </EquationSource> </InlineEquation> futures price. The large jumps have...</equationsource></equationsource></inlineequation>