A radioactive Cold War military base will soon emerge from Greenland's melting ice What secrets do those lonely ice sheets hold? (Joe Raedle/Getty Images News/AP Photo/Brennan Linsley)
A radioactive Cold War military base will soon emerge from Greenland's melting ice
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As climate change warms the Earth, melting ice is uncovering troves of cultural treasures and dangers. These once were thought to be lost forever. What's there includes mummified bodies and ancient coins. And, anthrax-infected reindeer remains. Now, scientists have identified what might just be the most surreal thing to emerge from the ice. It is the remnants of a secret U.S. Army base. It is packed with radioactive waste. The base was abandoned decades ago. It is located in northwestern Greenland.
 
Climate change could uncover the toxic and radioactive waste left behind. The base is called Camp Century. What's left could be revealed as early as 2090. This is according to a study. It was published in the journal Geophysical Research Letters. The 115 feet of snow and ice now covering the Cold War-era base is melting. It is melting faster than it can be replaced. That is a prospect the military likely hadn't dreamed of. The study's authors warn that the soon-to-be-uncovered waste could become a political minefield. It might foreshadow future international conflicts. This is as climate change reshapes Earth.
 
When the ice melts, an estimated 9,200 tons of physical materials and 53,000 gallons of diesel fuel could be exposed. They could be carried toward the ocean by meltwater. Other waste also is at the site. It includes small amounts of radioactive coolant water from Camp Century's nuclear power plant. In addition, there are carcinogenic toxins used in paints and fluids called polychlorinated biphenyls (PCBs). PCBs are already found in high levels in the Arctic. They were released into oceans as big-city waste. Then they were carried to the Arctic by wind and ocean currents.
 
Camp Century was founded nearly 60 years ago. It was to be a model of new kind of Arctic base. It is just 800 miles from the North Pole. The base was built in large trenches. These were buried underneath ice and snow. That was to protect the base and its personnel from temperatures that could reach minus-70 degrees and wind gusts up to 125 miles per hour. Camp Century included its own nuclear power plant, scientific labs, a library and even a chapel and barbershop. This is according to an overview of the base. It was written by historian Frank Leskovitz.
 
This "city under the ice" was no secret.  The newscaster Walter Cronkite visited it in 1961. But its true purpose was a secret.  And that was to house nuclear weapons. In reality, Camp Century was designed as a cover operation. It housed workers and equipment for what the military had designated  "Project Iceworm." Even Danish authorities had no idea what was really going on in their territory.
 
"It sounded so farfetched that I didn't know whether to believe him," says international policy expert Jeff Colgan. He was speaking of his reaction upon being approached by a glaciologist at York University to coauthor a study on the future of Camp Century's remains.
 
In 1959, the Cold War arms race between the United States and the Soviet Union had reached a fever pitch. The U.S. military sought a way to secretly store nuclear weapons. The military wanted to do it underneath Greenland's ice sheet. The weapons could be launched over the Arctic Circle. This was in the case the war heated up. The Army envisioned an underground highway of tunnels. They could stretch across more than 52,000 square miles of Greenland's ice sheet. Up to 600 specially designed nuclear missiles could travel through these tunnels. The missiles would be moved to launch points across the island.
 
But it never happened. This was because even the U.S. military couldn't change the course of vast sheets of moving ice. Despite efforts to maintain the underground tunnels, Greenland's continuously shifting ice sheet forced the Army to abandon the base. That was in 1966. It was inconceivable that the 115 feet of snow now covering Camp Century could one day melt away, says William Colgan. He is the glaciologist who approached Jeff Colgan (no relation, amazingly). The base was forgotten for decades, until the Danish government uncovered evidence of the true nature of Camp Century in 1995.
 
William Colgan stumbled into this arena through an "unusual route." During its operation, scientists based at Camp Century drilled multiple cores into Greenland's ice sheet. One was drilled to a depth of more than 4,500 feet. For climate scientists, these kinds of ice cores have become a valuable proxy for reconstructing the Earth's past climates. William Colgan was studying the Camp Century cores. They cover 13,000 years of climate data. That is when he heard references to the "surreal stuff" being done at these bases.
 
Given the controversial history of the base, it came as little surprise that any research into the remains of Camp Century would be a delicate matter at best. NATO and the Danish government declined to fund the research. So William Colgan says he and a group of young researchers were forced to put together their study. They worked on it as an "evening and weekends project."
 
The amount of PCBs and radioactive waste that Camp Century will release is small compared to what already exists in the Arctic. But the political ramifications of that pollution could be huge. As William Colgan puts it: "We've gone from 'eternity' to 'we really need to start thinking about this.'"

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CRITICAL THINKING QUESTION
Why were nuclear weapons stored at Camp Century?
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