Invasive Crayfish, Climate Change and the Challenges for Crater Lake National Park

The climate is changing in the Pacific Northwest, and the consequences are playing out in some surprising ways. At Crater Lake National Park in Oregon, the surface water temperature is on the rise. This may not seem to be cause for alarm, but there’s an invasive crayfish in the lake that is loving the new warmer waters - putting the lake’s clarity and native creatures in jeopardy. Jes Burns of EarthFix reports.