Sensors can detect wildfires early, alert authorities to stop blaze

ViewAmid the evergreens of the Rockies lies Gilpin County, Colorado, a rural, 150-square-mile county that is home to nearly 6,000 people.

"It ranges anywhere from about 6,000 to 9,000 feet in elevation," said Nathan Whittington, Gilpin County's emergency management director. "It is very mountainous, very inclined; a lot of...