As more coal was burned in power stations and electricity imports from the continent fell, the Scotland increased its carbon emissions by 1.5 per cent between 2002 and 2003. However, UK levels remained lower than in 2001. Carbon dioxide emissions during 2003 stood at 152.5Mt, seven per cent below the 1990 benchmark. The UK is committed to lower its carbon dioxide levels by 20 per cent of this benchmark level by 2010 and by 60 per cent by 2050.