climate change

Zoe Rodriguez

Utah naturalist and writer Terry Tempest Williams will speak at Northern Arizona University tomorrow night. She’s published more than a dozen books about wilderness and its necessity to the human spirit. Her most recent book The Hour of Land chronicles the threats to America’s national parks and public lands. KNAU’s Melissa Sevigny spoke with Terry Tempest Williams in advance of her visit to Flagstaff.


Hestia / Gurney Lab

This week scientists at Northern Arizona University published the first-ever map of a megacity’s carbon emissions down to the scale of specific roads and buildings. The animation shows the Los Angeles urban area as carbon emissions rise and ebb over the course of the day. KNAU’s Melissa Sevigny spoke with climate scientist Kevin Gurney about how this data can guide policy decisions about climate change.

Courtesy of Ted Schuur

New research conducted by Northern Arizona University in Alaska shows melting permafrost may be releasing a lot more carbon into the atmosphere than scientists previously thought. KNAU’s Melissa Sevigny reports.


Harun Mehmedinović

HBO’s latest documentary, “Ice on Fire,” produced by Leonardo DiCaprio portrays the global threat of climate change, but also presents several cutting-edge options for halting and even reversing it. The coproducer and cinematographer on the project is Bosnian-born Harun Mehmedinović a professor at Northern Arizona University. He’s has built a career on chronicling the natural world. Mehmedinović spoke with KNAU’s Ryan Heinsius about the film and the imminent threat of climate change.


(AP Photo/Eric Risberg, File)

Climate change in the Western U.S. means more intense and frequent wildfires churning out waves of smoke that scientists say will sweep across the continent to affect tens of millions of people and cause a spike in premature deaths.

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