| International Foundation for Valuing Impacts |
April 2024 |
$236 |
$236 |
Yes |
United States |
USA |
US |
Very High |
Proposed a standardized approach for companies to report GHG emissions monetarily. |
| EPA (Final Report) |
December 2023 |
$120-$340 |
$216 |
No |
United States |
USA |
US |
Very High |
Updated SCC values using advanced methodologies and lower discount rates. |
| U.S. EPA (Updated Proposal) |
December 2023 |
$190 |
$190 |
Yes |
United States |
USA |
US |
Very High |
Finalized updated SCC values, reflecting significant increases based on best science. |
| University of California, Davis |
July 2023 |
$283 |
$283 |
Yes |
United States |
USA |
US |
Very High |
Equity-weighted SCC emphasizing climate damages and uncertainty. |
| IMF |
January 2023 |
$15-$50 |
$32.5 |
No |
United States |
USA |
US |
Very High |
Proposed international carbon price floor based on income levels of countries. |
| New York State Agencies |
January 2021 |
$125 |
$125 |
Yes |
United States |
USA |
US |
Very High |
Guidance under Climate Leadership Act to reduce emissions and achieve net-zero. |
| Biden Administration (IWG Interim Update) |
February 2021 |
$51 |
$51 |
Yes |
United States |
USA |
US |
Very High |
Interim update reinstating Obama-era methodology with adjustments. |
| Trump Administration |
October 2017 |
$3-$5 |
$4 |
No |
United States |
USA |
US |
Very High |
Lowered SCC estimates focusing on domestic impacts with higher discount rates. |
| Climate Leadership Council |
February 2017 |
$40-$50 |
$45 |
No |
United States |
USA |
US |
Very High |
Carbon dividends plan starting at $40/ton, increasing annually by 5% above inflation. |
| Obama Administration (IWG Update) |
November 2013 |
$37 |
$37 |
Yes |
United States |
USA |
US |
Very High |
Updated SCC values for regulatory impact analyses under federal guidelines. |
| UK Government Economic Service |
2002 |
£35-£140 |
£112.8 |
No |
United Kingdom |
GBR |
GB |
Very High |
Recommended illustrative SCC range for policy appraisal across government sectors. |
| Stern Review |
October 2006 |
~$85 |
~$85 |
Yes |
United Kingdom |
GBR |
GB |
Very High |
Early influential report advocating for strong climate action. |
| Canada Government |
August 2023 |
CAD$65 |
~$48 |
Yes |
Canada |
CAN |
CA |
Very High |
The Federal Carbon Price was increased to CAD$65 per tonne CO2e in 2023. |
| French Government - Quinet Report |
2019 |
€250-€770 |
~$420 ($270-$820) |
No |
France |
FRA |
FR |
Very High |
Recommended range for the SCC with a central value around 250 Euros per tonne CO2e by 2030, rising steeply after that. |
