Agence France-Presse: US carbon dioxide emissions from burning fossil fuels increased 1.6 percent in 2007, a preliminary government estimate showed Tuesday. The Energy Information Administration (EIA) said emissions rose to 5,984 million metric tonnes last year from 5,888 million in 2006. The agency said factors that drove the emissions increase included weather conditions that increased the demand for heating and cooling services and “a higher carbon intensity of electricity supply,” …