From CNN State Department Producer Elise Labott WASHINGTON (CNN) Secretary of State Hillary Clinton will name a former Clinton White House official as her Special Envoy for Climate Change, senior State Department officials tell CNN. The appointment of Todd Stern, a partner with the firm of Wilmer, Cutler, Pickering, Hale and Dorr, will add urgency to President Barack Obama and Clinton’s promise to make climate change a foreign policy priority. He is also currently a senior fellow at the Center for American Progress, focusing on climate change and environmental issues. From 1999 to 2001 Stern served at the Treasury Department as a counselor to the Secretary. From 1993 to 1998 he was an Assistant to the President for Special Projects, serving as the senior White House negotiator to climate change negotiations in Kyoto and Buenos Aires.