Science and Innovation

U.S. Bureau of Reclamation

A new study says streamflow in the Colorado River has decreased by about 15 percent in the last century. KNAU’s Melissa Sevigny reports higher temperatures are the primary reason.


U.S. Forest Service Northern Research Station

A study by a Flagstaff scientist found climate change will likely lengthen the growing season in forests—but paradoxically, trees may suffer more from frost. KNAU’s Melissa Sevigny reports.

U.S. Geological Survey

The Colorado River that runs through Grand Canyon National Park supplies water to nearly forty million people in the West. But longstanding programs to protect the river’s health are about to be defunded by the federal government. River managers say the result could be disastrous for the crown jewel of the national parks. KNAU’s Melissa Sevigny reports.


U.S. Bureau of Reclamation

The federal government plans to defund several longstanding programs that monitor the environmental health of the Colorado River and the Grand Canyon. KNAU’s Melissa Sevigny reports, representatives of all seven Colorado River Basin states are condemning the action.


U.S. Geological Survey

Campsites for river runners are vanishing in the Grand Canyon, according to new research from the U.S. Geological Survey and Northern Arizona University. KNAU’s Melissa Sevigny reports.

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