2009 Nobel Peace Prize Obama stated, "I do not view it as a recognition of my own accomplishments but rather an affirmation of American leadership on behalf of aspirations held by people in all nations." "Throughout history, the Nobel Peace Prize has not just been used to honor specific achievement; it's also been used as a means to give momentum to a set of causes," Obama said. "And that is why I will accept this award as a call to action — a call for all nations to confront the common challenges of the 21st century." He said those common challenges included the goal
2007 Nobel Peace Prize work and application." In Oslo on 10 December 2007, the presentation was made with a speech by Ole Danbolt Mjøs as Chairman of the Norwegian Nobel Committee, and followed by Nobel Lectures given by Rajendra K. Pachauri, representing the IPCC, and Al Gore. In his lecture, Pachauri thanked those contributing to the IPCC: The IPCC presented scientists who had "contributed substantially to the preparation of IPCC reports" with personalized certificates for "contributing to the award of the Nobel Peace Prize for 2007 to the IPCC". The certificates, which name the individual and feature a reproduction of the Nobel Peace Prize