Shipping carbon dioxide (CO2) emissions for the last 10 years can be found at:
http://www.decc.gov.uk/en/content/cms/statistics/climate _chanqe/gg_emissions/uk_emissions/2008_final/2008_final.aspx
The source of the data is AEA/Department of Energy and Climate Change (DECC).
Forecasts of carbon dioxide emissions from UK domestic shipping in 2010, 2015, 2020 and 2022 were included in the Department for Transport’s “Carbon Pathways Analysis” report. This report is available to download from the Department’s website at
http://www.dft.gov.uk/pgr/sustainable/analysis.pdf
Projections of reportable carbon dioxide emissions from international shipping for all years between now and 2022 were included in HM Treasury’s “Building a low-carbon economy” report. This report is available from the HM Treasury website at
http://www.hm-treasury.gov.uk/d/Budget2009/bud09_ carbon_budgets_736.pdf