Grand Canyon

Despite a congressional ruling last year that prevents them, wight uranium mining operations have been approved near the Grand Canyon.

The Department of the Interior is alleged to have generated electric energy by limiting water flow to the Grand Canyon, at the expense of the landmarks' ecology--despite having access to scientific findings that warned against doing so.

This segment from NPR looks at what's happened since a Native American tribe in Arizona opened a glass-floored walkway extending over the Grand Canyon.