Brighterworldktsm.com - Sponsored By The El Paso Electric Company: Newsweek: Chemicals in fireworks dangerous? Newsweek: Chemicals in fireworks dangerous? ================================================================================ MSNBC on 02 July, 2009 06:58:29 This Saturday, Americans all across the country will look to the skies to witness fireworks. But what goes up must come down, and some researchers think that what drifts back to earth after the spectacle subsides could negatively affect both our bodies and our ecosystem.