Carter left the presidency on January 20, 1981, after losing to Ronald Reagan. He retired to Plains, Georgia. Since that time, he has been an important and influential figure in America. He became a leader of Habitat for Humanity, an organization that builds homes for needy families. Carter has also been involved in both official and personal diplomatic endeavors, including helping to forge an agreement with North Korea. In 2002, Carter was awarded the Nobel Peace Prize “for his decades of untiring effort to find peaceful solutions to international conflicts, to advance democracy and human rights, and to promote economic and social development.”