Why are Alaska's rivers turning orange?

Your browser doesn’t support HTML5 audio

Dr. Paddy Sullivan, Director of the Environment and Natural Resource Institute, talks about why Alaska’s rivers are quite literally rusting.

Chris Cherniak

Co-host of KPCW's This Green Earth.

Claire Wiley

Claire is the producer of This Green Earth and a volunteer DJ on Tuesdays from 10 a.m. to 3 p.m.