"A U.S. Geological Survey researcher says she's worried about the Navajo because drought, combined with increasing temperatures, are making it harder for them to live in the harsh conditions.

The Navajo Nation is being buried in sand. A third of that land is now covered with sand dunes as a result of climate change. Roads carouse for livestock; even entire homes have been enveloped, creating what President Obama calls climate change refugees."

Laurel Morales of KJZZ reports for NPR's Morning Edition May 28, 2015. [2]