Fireworks are fun, but is the environment celebrating? Fireworks do a bang-up job of entertaining us, but they also have an explosively awful impact on the environment. And a Happy Fourth to you, too! Yes, as you go about your patriotic or simply traditional business watching the holiday sky shows and patronizing one of the many fi reworks booths scattered about the capital region before July 4, please take a moment to consider how pleasure and gunpowder can be a problematical mix. Writer Jessic