Eurostat estimates that in 2015 carbon dioxide (CO2) emissions from fossil fuel combustion increased by 0.7% in the European Union, compared with the previous year. CO2 emissions are a major contributor to global warming and account for around 80% of all EU greenhouse gas emissions. They are influenced by factors such as climate conditions, economic growth, size of the population, transport and industrial activities. Various EU energy efficiency initiatives aim to reduce emissions of CO2 and other greenhouse gases.
According to Eurostat estimates, CO2 emissions rose in 2015 in a majority of EU Member States, with the highest increases being recorded in Slovakia (+9.5%), Portugal (+8.6%) and Hungary (+6.7%), followed by Belgium (+4.7%) and Bulgaria (+4.6%). Decreases were registered in eight Member States, notably in Malta (-26.9%), Estonia (-16.0%), Finland (-7.4%) and Greece (-0.5%).