Greenhouse gas (GHG) emissions intensity in the UK fell 4% in 2017, according to new data from the Office of National Statistics (ONS).
The energy supply sector, which includes electricity, gas, steam and air conditioning supply, accounted for the greatest reduction in GHG emissions, the ONS found.
The data covers the five most GHG emissions-intensive sectors.
In addition to energy supply, they are transport, including storage, water supply, including sewerage, mining and quarrying and agriculture, forestry and fishing.
Between 2016 and 2017, nearly every industry reduced their GHG emissions intensity, according to ONS data, while GHG emissions intensity was greatest in the agriculture, forestry and fishing sector.
GHG emissions intensity looks at total emissions divided by the size of the economy.
In recent years the UK has improved in European rankings of GHG emissions intensity.
In 2016, while the UK was the third biggest emitter of GHGs when compared with other EU countries, only six European countries emitted less when the size of their economy was taken into account, that is, GHG intensity.
Between 2008 and 2017, the UK reduced its GHG intensity in relation to other EU countries, moving from having the tenth lowest GHG emissions intensity in 2008 to the seventh lowest in 2016.