Policies contributing to emissions are also under review. Their report shows that between 2002 and 2008 there was a 16.8% increase in the combined carbon footprint of all Dutch holidaymakers, to a total of 15.6 million tonnes of C02 in 2008 (Table 4). This is equivalent to 9% of all C02 emissions from the Netherlands in that year as calculated under the Kyoto Protocol.