When a Denka plant was exposed as emitting large amounts of chloroprene, a concerned citizens group formed in Louisiana to fight back.
Speaking before the Senate Armed Services Committee, Adm. Harry Harris refused to rule out the possibility of the US toppling Pyongyang "for the heck of it."
Jon Letman is a freelance journalist on Kauai. He writes about politics, people and the environment in the Asia-Pacific region. Follow him on Twitter: @jonletman.