Up up and away—a Tucson company shoots balloons into space. And, we celebrate national treasures as the National Park Service turns 100.
Measuring the impact of drought on wildfires
Scientists who study the Southwest drought said the extremely dry conditions will likely increase the danger of catastrophic wildfires. University of Arizona Climate Science Professor Gregg Garfin talked about whether the conditions are expected to get worse and how government planning should take that into account.