| Category | Carbon price (USD/tCO2-Eq) | Environmental cost (USD) |
|---|---|---|
| EU ETS | 96.29 | 6.01E-02 |
| Switzerland ETS | 93.8 | 5.85E-02 |
| UK ETS | 88.12 | 5.50E-02 |
| Austria ETS | 35.34 | 2.21E-02 |
| New Zealand ETS | 34.19 | 2.13E-02 |
| Germany ETS | 32.62 | 2.04E-02 |
| Beijing pilot ETS | 12.95 | 8.08E-03 |
| Korea ETS | 11.23 | 7.01E-03 |