Army Scientists Ditch Toxic Green Flares
May 16th, 2011 | by Tina Casey
Three scientists at the Army's Picatinny Arsenal in New Jersey are developing a way to make non-toxic green signal flares, by eliminating the use of barium. Barium makes the green glow but in addition to being a toxic heavy metal, it is combined with chlorinated compounds to make the flares, so they release PCBs into the air when burned.
