sentences:  Despite producing the majority of its electricity from hydroelectric plants, Norway is ranked 30th in the 2008 list of countries by carbon dioxide emissions per capita and 37th in the 2004 list of countries by ratio of GDP to carbon dioxide emissions.Norway is a signatory to the Kyoto Protocol, under which it agreed to reduce its carbon emissions to no more than 1% above 1990 levels by 2012.On April 19, 2007, Prime Minister Jens Stoltenberg announced to the Labour Party annual congress that Norway's greenhouse gas emissions would be cut by 10 percent more than its Kyoto commitment by 2012, and that the government had agreed to achieve emission cuts of 30% by 2020.