Ireland's emissions profile has changed considerably since 1990, with the contribution from transport more than doubling and the share from agriculture reducing since 1998. However, since 2011, emissions have trended upwards again with an overall peak in emissions reported in 2018. Agriculture is the largest source of emissions, representing 35 per cent of total national emissions in 2019, based on final estimates. Both the transport and energy industries sectors represent 20 and 16 per cent respectively, of total greenhouse gas emissions in 2019. The transport sector has been the fastest growing source of greenhouse gas emissions, showing a 137% per cent increase between 1990 and 2019. Further information about Ireland's greenhouse gas emissions is available on our website.
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