Doer signed an agreement with the American state of Georgia in 2004, for increased co-operation between the Centers for Disease Control and Prevention in Atlanta and the National Virology Lab in Winnipeg. In the same year, he signed a memorandum of understanding with Minnesota Governor Tim Pawlenty to create a "biomedical corridor" for the promotion of research, capital investment and technology development. In early 2005, Doer and New Brunswick Premier Bernard Lord traveled on a trade mission to Texas in what was described as an effort to improve relations between Canada and the United States. Later in the year, Doer and Jean Charest traveled on a trade mission to Mexico. In 2006, he appeared at a prominent climate change event with California Governor Arnold Schwarzenegger. In June 2009, Doer took part in discussions to create a "Western Energy Corridor" to allow an easier flow of both renewable energy and fossil fuels among western American states and Canadian provinces.