Estimate CO2 emissions from electricity, gas and other energy use with standard emission factors for a rough carbon footprint.
排放因子为常见近似值,实际因子因地区电网而异。
| Item | Formula | Source / Standard |
|---|---|---|
| Carbon emiss. | E = Σ A_i × EF_i | IPCC 2006 |
| EF | Activity×factor | GHG protocol |
| CO2e | GWP-weighted sum | AR5 GWP |