Emily Shenk

Despite Arctic marine mammals being icons of climate change, little is known about their populations across the Arctic. In a first ever global review of Arctic marine mammals, published last week in Conservation Biology, an international team of scientists provides a circumpolar range assessment. They studied population status and trends for 11 species, including polar bears, ice seals, narwhals,...

By Emily Shenk National Geographic Imagine you’ve drawn a line across a jigsaw puzzle, and you’re following that line from beginning to end. Suddenly the puzzle breaks apart and the pieces move in different directions. How do you follow the line to your destination? In the case of polar bears, the destination is a potential...

By Emily Shenk National Geographic A skier crosses the Arctic Ocean, where the extent of summer sea ice has declined by about 30 percent during the last three decades. Photo by Dan Westergren A study published in the International Journal of Climatology in May adds to the growing research linking melting sea ice in the Arctic...

By Emily Shenk National Geographic A skier crosses the Arctic Ocean, where the extent of summer sea ice has declined by about 30 percent during the last three decades. Photo by Dan Westergren A study published in the International Journal of Climatology in May adds to the growing research linking melting sea ice in the Arctic...

By Emily Shenk National Geographic A skier crosses the Arctic Ocean, where the extent of summer sea ice has declined by about 30 percent during the last three decades. Photo by Dan Westergren A study published in the International Journal of Climatology in May adds to the growing research linking melting sea ice in the Arctic...