climate change

Grand Canyon Trust

The United Nations’ climate change conference wraps up today in Germany. It’s an opportunity for world governments to negotiate ways to implement the Paris Climate Accord and slow the planet’s warming. Eva Malis is a 22-year-old youth delegate from Flagstaff attending the conference. KNAU’s Melissa Sevigny spoke to her about her concerns for the future of the Colorado Plateau. 


Melissa Sevigny

Water in the Upper Colorado River Basin has decreased seven percent since the late 1980s. KNAU’s Melissa Sevigny reports on the results of the new study.


Getty Images

The Southwest is experiencing record-high temperatures for this time of year. A new study predicts things could only get worse in the coming years. KNAU’s Ryan Heinsius reports.


Grand Canyon National Park

Climate models predict the pinyon pine could disappear from Arizona this century. New research from Northern Arizona University looks at why some pines survive and others don’t. KNAU’s Melissa Sevigny reports.


Melissa Sevigny

A new study authored by scientists at Northern Arizona University shows ecosystems worldwide take longer to recover from droughts than they did a century ago. KNAU’s Melissa Sevigny reports.


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