Kevin Krajick

Climate, and the Dividing Line Between Forest and Tundra

In northern Alaska’s Brooks Range, the earth as most of us know it comes to an end. From Fairbanks, the northernmost city on the North American road grid, drive up the graveled Dalton Highway. Unpeopled boreal forest stretches in all directions. About 200 miles on, you pass the arctic circle, beyond which the sun never sets in midsummer, nor rises in midwinter….

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Illegal Ivory Almost All from Recent Killing, Study Finds

Researchers analyzing African elephant tusks seized by global law enforcement have confirmed what many suspect: the illegal ivory trade, now running in high gear, is being fueled almost exclusively by recently killed animals. In the first study of its kind, researchers showed that almost all tusks studied came from animals killed less than three years…

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A Morning That Shook the World: The Seismology of 9/11

As the World Trade Center was being attacked on Sept. 11, 2001, I was wheeling my year-old daughter from an exam near St. Luke’s Hospital, on Manhattan’s Upper West Side. When we got home, the phone rang. It was my mother. “Two planes just hit the World Trade Center,” she said. “Turn on your television.” I did, and immediately feared for my…

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About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

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