Social cost of carbon per tonnecan help you understand the value of
$61 per tonne
This valuation relates to the social costs associated with emissions of carbon per tonne. Social cost of carbon takes into account a range of factors, including changes to agricultural productivity, human health and flood risk likely to occur due to climate change. This value is in $ per tonne of carbon.
This valuation was produced by the United States Government Interagency Working Group on Social Cost of Carbon to estimate the climate benefits of policy changes.
Value is based on social carbon costs for 2015 in 2011 Dollars. Several estimates for the social cost of carbon are available due to varying outputs generated by different integrated assessment models. Social cost of carbon values are dollar-year and emissions-year specific. More information regarding the estimation of the social cost of carbon is available at: http://www.whitehouse.gov/sites/default/files/omb/assets/inforeg/technical-update-social-cost-of-carbon-for-regulator-impact-analysis.pdf The models used to estimate the social cost of carbon do not currently account for all physical, ecological and economic impacts of climate change, meaning this valuation may represent an underestimation. More information on estimating the social cost of carbon is available at: http://www.ipcc.ch/pdf/assessment-report/ar4/syr/ar4_syr.pdf
"Technical Update of the Social Cost of Carbon for Regulatory Impact Analysis - Under Executive Order 12866," Interagency Working Group on Social Cost of Carbon, 2013. Available at: whitehouse.gov/sites/default/files/omb/assets/inforeg/technical-update-social-cost-of-carbon-for-regulator-impact-analysis.pdf