David Valentine on "5 key things we learned about oil spills from the Gulf Coast disaster"

Professor David Valentine's article, "5 key things we learned about oil spills from the Gulf Coast disaster," appeared in the April 23, 2015 PBS NewsHour.

http://www.pbs.org/newshour/updates/5-key-things-we-learned-about-oil-spills-from-the-gulf-coast-disaster/#