ILULISSAT, GREENLAND-- In this video, we talk with Jeaime Powell, a graduate student from Elizabeth City State University working on the Polar Grid project. After every twin-otter airplane flight made from Ilulissat to map the Greenland Ice Sheet, Jeaime and his colleagues check over the data... {Read More »}

ILULISSAT, GREENLAND-- We spent a lot of time at the Ilulissat airport, hopping on helicopters at every opportunity but also hanging out with the crew on an ice-mapping project out of the University of Kansas and NASA. In this video, we talk with Earl Frederick of NASA about the ice-mapping flights over the Greenland Ice Sheet... {Read More »}

KANGERLUSSUAQ, GREENLAND– Last week, we showed you a video interview with glaciologist Mark Fahnestock who described how he and his team are measuring the motion of the Jakobshavn Isbræ, one of the fastest-moving glaciers in the world. Here, Dr. Fahnestock describes the roar of a 1000-foot iceberg dropping off the Jakobshavn... {Read More »}

COLVILLE RIVER, ALASKA-- Welcome back and thanks for tuning in for the second science adventure of the summer. Scientifically, the premise and protocol on this trip is similar to the first trip, but this one is considerably longer – 18 days instead of 12 – and further north... {Read More »}

ABOARD THE USCGC HEALY, ON THE BEAUFORT SEA-- One of the things about the sea ice surrounding HEALY that cannot escape your attention is the fact it is neither all white nor flat and level... {Read More »}

NOATAK VILLAGE, BROOKS RANGE, ALASKA-- Our wildlife list so far includes moose, grizzly bear, musk oxen, dall sheep, rough-legged hawk, peregrine falcon, and a whole bunch of smaller birds and rodents... {Read More »}

NOATAK RIVER, BROOKS RANGE, ALASKA-- Yesterday we floated through Noatak Canyon, but not before stopping on several occasions to relocate and rephotograph old Philip Smith photos. I added these excursions partly out of curiosity, but partly to extend the record of vegetation... {Read More »}

NOATAK RIVER, BROOKS RANGE, ALASKA-- Long, hot days on the river. We finished the sampling a couple days ago, and yesterday boated the remainder of the Nimiuktuk River, eventually reaching the confluence with the Noatak River. With our precious science bounty aboard... {Read More »}

NIMIUKTUK RIVER SANDBAR, BROOKS RANGE, ALASKA-- Another solid day of sampling and mosquitoes. We are sampling areas documented in repeated photographs over time that show both expanding shrub patches and stagnant shrub patches... {Read More »}

ILULISSAT, GREENLAND-- Lisa and I had just flown into the tiny Ilulissat airport and were told we were catching a helicopter ride that afternoon to… {Read More »}