The Ice at the End of the World: An Epic Journey into Greenland's Buried Past and Our Perilous Future
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Last update: 05-16-2024
About this item
A riveting, urgent account of the explorers and scientists racing to understand the rapidly melting ice sheet in Greenland, a dramatic harbinger of climate change.
“Jon Gertner takes readers to spots few journalists or even explorers have visited. The result is a gripping and important book.” (Elizabeth Kolbert, Pulitzer Prize-winning author of The Sixth Extinction)
Named One of the Best Books of the Year by The Washington Post Christian Science Monitor Library Journal
Greenland: a remote, mysterious island five times the size of California but with a population of just 56,000. The ice sheet that covers it is 700 miles wide and 1,500 miles long, and is composed of nearly three quadrillion tons of ice. For the last 150 years, explorers and scientists have sought to understand Greenland - at first hoping that it would serve as a gateway to the North Pole, and later coming to realize that it contained essential information about our climate. Locked within this vast and frozen white desert are some of the most profound secrets about our planet and its future. Greenland’s ice doesn’t just tell us where we’ve been. More urgently, it tells us where we’re headed.
In The Ice at the End of the World, Jon Gertner explains how Greenland has evolved from one of earth’s last frontiers to its largest scientific laboratory. The history of Greenland’s ice begins with the explorers who arrived here at the turn of the 20th century - first on foot, then on skis, then on crude, motorized sleds - and embarked on grueling expeditions that took as long as a year and often ended in frostbitten tragedy. Their original goal was simple: to conquer Greenland’s seemingly infinite interior. Yet their efforts eventually gave way to scientists who built lonely encampments out on the ice and began drilling - one mile, two miles down. Their aim was to pull up ice cores that could reveal the deepest mysteries of earth’s past, going back hundreds of thousands of years.
Today, scientists from all over the world are deploying every technological tool available to uncover the secrets of this frozen island before it’s too late. As Greenland’s ice melts and runs off into the sea, it not only threatens to affect hundreds of millions of people who live in coastal areas. It will also have drastic effects on ocean currents, weather systems, economies, and migration patterns.
Gertner chronicles the unfathomable hardships, amazing discoveries, and scientific achievements of the Arctic’s explorers and researchers with a transporting, deeply intelligent style - and a keen sense of what this work means for the rest of us. The melting ice sheet in Greenland is, in a way, an analog for time. It contains the past. It reflects the present. It can also tell us how much time we might have left.
Top reviews from the United States
This is a fun book, full of interesting characters. The first half is the history of Greenland and the era of the heroic explorers, the second half the story of recent, ongoing scientific research there. I've read the author's other book about the history of Bell Labs, he is a great writer, very enjoyable. To learn more about about climate change I also recommend "A Farewell to Ice" by Cambridge professor Peter Wadhams, which covers Arctic climatology research but with more scientific depth. It's awe inspiring the hardships these ice scientists endure to increase our understanding for a largely ignorant, apathetic, and unappreciative public.
Gertner has had his own experiences in Greenland though he does not speak of them very much. Three-quarters of the book is about the explorers of the 19th and first half of the 20th century. They are elaborately cross-referenced into other published works about those explorations. Modern technology solved a lot of problems. The ice is much less dangerous if you can travel by tractor, snowmobile, or airplane rather than skis, snowshoes, and sleds pulled by dogs or humans. Ironically (Gertner doesn’t mention this) the technology that made all the present climatographic revelations possible also contribute to the warming problems uncovered. Airplanes, tractors, and giant core-drilling rigs belch-up a lot of carbon in the form of gas and soot.
The history is well written, the adventuring explorers all having one thing in common, their willingness, even desire to endure severe hardship, both physical and mental for the sake of what they took to be valuable scientific work. In another irony (also unmentioned), almost none of this early exploratory work was strictly necessary. These men made the first mid-ice weather observations and took the first temperature readings above (weather balloons) and below (to a few tens of feet) the ice. But none of these scattered measurements could answer the biggest question. Was the ice sheet stable? By the mid-to-late 20th century, systematic measurements on the ice and high above it (by aircraft and satellites) had utterly eclipsed all the earlier work, rendering it more-of-less moot.
It isn’t until the last chapters that Gertner gets into the present climatological problem. Here he also folds-in work presently being done in Antarctica. Everywhere in the world ice is melting faster than anyone imagined it would only fifty years ago. The impact of this on the world’s climate (and water supplies in Asia) will be profound, the single greatest impact (besides sea level rise) being the shut-down of the Atlantic heat exchange mechanism that cycles warm water to the north and cold water south. This mechanism depends on a certain salinity balance. Freshwater from the northern ice melt changes this balance. The effect, a slowing of the heat-exchange mechanism, has been already detected.
At the end, Gertner tries to sound an optimistic note, that humans will develop both the technology and political will to reverse what now appears to be an unstoppable disaster. Alas, what will happen in the next 75 or so years (likely much beyond) is already baked into the future climate. In 75 years there will yet be ice in Greenland and Antarctica, just not nearly as much as there should be. What is lost between now and then will be more than enough to destroy our 21st Century civilization!