Lights at night feed smog the next day

Interesting story tonight on SoCal Connected, at 9 p.m. on KCET. The artificial light we throw skyward in the city at night feeds chemical reactions that worsen the haze of air pollution. It looks as if the story will say that should be a factor in the debate over bright light districts and electoric billboards. Edwin Krupp of the Griffith Observatory is in the teaser, above.