The largest source to the emission of CO2 is the energy sector, which includes combustion of fossil fuels like oil, coal and natural gas. The transport sector (dominated by road transport) is the largest sector in 2021 and contributes with 41 %, followed by energy industries with 27 %. The CO2 emission (excl. LULUCF) increased by 4.6 % from 2020 to 2021. The main reason for the increase is increasing emissions from energy industries due to an increase in the consumption of fossil fuels. In general, CO2 emissions fluctuate significantly as a result of the electricity trade with neigh-bouring countries.
CO2 emission, 2021
Links to detailed background data for greenhouse gas emissions can be found under "Supporting documentation".