She is also an independent producer for the public radio programs Encounters and Marketplace, and for National Public Radio (NPR). Previously, Arnold was an NPR national correspondent for 15 years, covering the halls of Congress, the White House, presidential campaigns and the changing American West. Now back in Alaska, she remains a frequent contributor to NPR programs including All Things Considered and Morning Edition. Most recently, she reported from China, Outer Mongolia and the North Pole for the public radio series Stories from the Heart of the Land.