The Arctic and Antarctica are changing in ways that will impact the global climate, natural ecosystems, and human societies. This July, our
photographer Chris Linder and science writer Amy Nevala will join a team
of four scientists for three weeks of camping on the western edge of
Greenland to study how—and how fast—glacial ice is disappearing. Learn more about our mission and crew for Expedition 4 »
Explore the site: Follow daily dispatches from our past expeditions to learn about the day-to-day challenges of studying the world's coldest places
or explore the poles on your own.
Videos and Interviews: Visit our multimedia section to watch interviews of the scientists and videos on our expeditions so far. Watch the videos »
If it’s not green, why call it Greenland? Despite its spring-like name, roughly 80 percent of Greenland is covered in ice. Read more »
Polar exhibits: Visit one of our partner museums to learn more about our Polar research expeditions and life in the Arctic and Antarctic. View the map »
Compare the Poles: Even though they are both at the "ends of the earth," the Arctic and Antarctic differ in many ways. Learn more about the differences »
Antarctic Polar Fun Page! Check out our postcard shots from Antarctica, our "What is It section," and cool sounds from Expedition 3. Start here »
Want Polar wallpaper? Click here to take a quick survey! As a thank you, you will have the option of downloading photos for your desktop.
