ByLisa Gardiner

Dr. Lisa Gardiner is an earth scientist, a writer, and an educator. She used to study geology and paleoecology at sea level in tropical island locales, now she's at high altitudes in Boulder, Colorado where she leads climate and weather education programs at the University Corporation for Atmospheric Research. Lisa is working on a book about one of her favorite topics - our planet's chaos.

  1. What looked like a slurry of chocolate milk was pouring through the tunnel under a road near my home in Boulder, Colorado. This was on September 12, 2013. A couple of days earlier, this tunnel contained a dry creek bed, a bike path, a few shady characters and a strong smell of pot. My dog and I regularly walk through it en route to a park on the Rocky Mountain foothills. But on September 12…