News / Science & Technology

Greenland Ice Island Prompts Global Warming Debate

A massive ice island has broken off the coast of Greenland.
A massive ice island has broken off the coast of Greenland.

Multimedia

Carla Babb

Heat waves, droughts and floods have been wreaking havoc across the globe in recent weeks, and now scientists say a 250 square kilometer island of ice has broken off from a glacier in Greenland.  Some are blaming this huge chunk of ice on global warming, while others say such breaks in the Arctic ice are a normal occurrence.

The ice island that broke off from Greenland's Petermann glacier is more than four times the size of the New York City's Manhattan Island. Jim Scianna of the U.S. National Ice Center, tells VOA breakage like this is fairly routine in the Arctic.

"There's about 10-40,000 of them that occur during the year in the Arctic region.  What's unusual about this one is the size," he said.

And the size of the massive iceberg has some people worried, like Greenpeace activist Melanie Duchin. "I think this is more evidence to add to the growing body of knowledge that shows that climate change is happening," he said.

Scientists say they cannot confirm whether the rip in the ice was caused by global warming because of a lack of information. They only started keeping records on the sea water around the glacier in 2003.

And ocean science professor Andreas Muenchow says years of data on the glacier itself show that after this month's event, the mass of ice is still, on average, discharging about the same amount of water it usually does - some 600 million cubic meters a year, or about 220,000 Olympic-sized swimming pools. "Even a big piece like this over 50 years is not that significant.  It's just the normal rate," he said.

Muenchow warns people not to jump to conclusions. "An event like this, this specific event, all flags go immediately up, 'Oh, let's explain this by global warming.' I cannot support that," he said.

Nevertheless, Congressman Ed Markey, the Chair of the House committee on global warming, says the overall evidence is disturbing. "Scientists have warned us that climate change will result in increased melting of glaciers and polar ice, more frequent and intense heat waves and wildfires, and increased drought and flooding," he said.

And people are experiencing extreme weather all over the world, from wildfires in the U.S. state of California, to droughts in Russia, to flooding in Pakistan.

But if this big break in the Greenland glacier IS caused by global warming, how would that affect us? "When they start to disintegrate and pieces break off, they start to move faster and they drain even more ice faster from the Greenland ice sheet in the sea, and that is what produces sea level rise," said Duchin.

A sea level rise that could slowly erode shorelines across the globe. But those watching the Arctic changes at the ice center say there is no need to worry at the moment.

"This is about 250 square kilometers in area, the world's oceans make up about 361 million square kilometers, so you're talking still a very very very small percentage," said Scianna.

Scientist will continue to monitor the ice island's path as it slides closer to the ocean. But they say only time will tell what damage, if any, will come from it.

You May Like

Report: $60 Billion Leaves Africa Illegally Each Year

Report by joint UN and African Union panel says African countries need to take concrete measures to stop illegal money flow from continent each year More

Video Spy Murder Probe Likely to Further Strain British-Russian Relations

Some analysts say Russian Tu-95 bombers were flying near British airspace to warn Britain about an inquest into a murdered Russian spy More

Mugabe Defends Image Amid Controversy at Close of AU Summit

He rejects concerns about how the West might perceive his leadership, saying he's focused on African development More

This forum has been closed.
Comments
     
There are no comments in this forum. Be first and add one

Featured Videos

Your JavaScript is turned off or you have an old version of Adobe's Flash Player. Get the latest Flash player.
Spy Murder Probe Likely to Further Strain British-Russian Relationsi
X
Henry Ridgwell
January 31, 2015 10:50 PM
Relations between Russia and the West are set to become even more strained amid an inquiry in London into the murder of a former Russian spy. Lawyers at the inquiry accuse Russian President Vladimir Putin of directing a "mafia state." Meanwhile, Royal Air Force fighters intercepted Russian bombers close to British airspace this week, prompting authorities to summon Moscow’s ambassador. Henry Ridgwell reports.
Video

Video Spy Murder Probe Likely to Further Strain British-Russian Relations

Relations between Russia and the West are set to become even more strained amid an inquiry in London into the murder of a former Russian spy. Lawyers at the inquiry accuse Russian President Vladimir Putin of directing a "mafia state." Meanwhile, Royal Air Force fighters intercepted Russian bombers close to British airspace this week, prompting authorities to summon Moscow’s ambassador. Henry Ridgwell reports.
Video

Video Ukrainian Neighborhood Divided Over Conflict

People in eastern Ukraine’s Donetsk and Luhansk districts find themselves squarely in the path of advancing Russian-backed rebels, who want to take back the territory they held at the beginning of the conflict last year. Many local residents are afraid, but others would welcome the change, even when a rebel shell lands in their neighborhood. From the Luhansk district, 15 kilometers from where the Ukrainian government marks the front line, VOA’s Al Pessin reports.
Video

Video Threat of Creeping Lava Has Hawaiians on Edge

Residents of the small town of Pahoa on the Big Island of Hawaii face an advancing threat from the Kilauea volcano. Local residents are keeping a watchful eye on creeping lava. Mike O’Sullivan reports.
Video

Video Jefferson's Library Continues to Impress, 200 Years Later

Two hundred years after the U.S. Congress purchased a huge collection of books belonging to former President Thomas Jefferson, it remains one of America’s greatest literal treasures and has become the centerpiece of Washington’s Library of Congress. VOA’s Deborah Block reports.
Video

Video Egypt's Suez Canal Dreams Tempered by Continued Unrest

Egypt plans to expand the Suez Canal, raising hopes that the end of its economic crisis may be in sight. But some analysts say they expect the project may cost too much and take too long to make life better for everyday Egyptians. VOA's Heather Murdock reports.
Video

Video Pro-Kremlin Youth Group Creatively Promotes 'Patriotic' Propaganda

As Russia's President Vladimir Putin faces international pressure over Ukraine and a failing economy, unofficial domestic groups are rallying to his support. One such youth organization, CET, or Network, uses creative multimedia to appeal to Russia's urban youth with patriotic propaganda. VOA's Daniel Schearf reports.
Video

Video Filmmakers Produce Hand-Painted Documentary on Van Gogh

The troubled life of the famous 19th century Dutch painter Vincent van Gogh has been told through many books and films, but never in the way a group of filmmakers now intends to do. "Loving Vincent " will be the first ever feature-length film made of animated hand-painted images, done in the style of the late artist. VOA’s George Putic reports.
Video

Video Issues or Ethnicity? Question Divides Nigeria

As Nigeria goes to the polls next month, many expect the two top presidential contenders to gain much of their support from constituencies organized along ethnic or religious lines. But are faith and regional blocs really what political power in Nigeria is about? Chris Stein reports.
Video

Video Rock-Consuming Organisms Alter Views of Life Processes

Scientists thought they knew much about how life works, until a discovery more than two decades ago challenged conventional beliefs. Scientists found that there are organisms that breathe rocks. And it is only recently that the scientific community is accepting that there are organisms that could get energy out of rocks. Correspondent Elizabeth Lee reports.
Video

Video Paris Attacks Highlight Global Weapons Black Market

As law enforcement officials piece together how the Paris and Belgian terror cells carried out their recent attacks, questions are being asked about how they obtained military grade assault weapons - which are illegal in the European Union. As VOA's Jeff Swicord reports, experts say there is a very active worldwide black market for these weapons, and criminals and terrorists are buying.
Video

Video Activists Accuse China of Targeting Religious Freedom

The U.S.-based Chinese religious rights group ChinaAid says 2014 was the worst year for religious freedom in China since the end of the Cultural Revolution. As Ye Fan reports, activists say Beijing has been tightening religious controls ever since Chinese leader Xi Jinping came to office. Hu Wei narrates.
Video

Video Theologians Cast Doubt on Morality of Drone Strikes

In 2006, stirred by photos of U.S. soldiers mistreating Iraqi prisoners, a group of American faith leaders and academics launched the National Religious Campaign Against Torture. It played an important role in getting Congress to investigate, and the president to ban, torture. VOA's Jerome Socolovsky reports.

Circumventing Censorship

An Internet Primer for Healthy Web Habits

As surveillance and censoring technologies advance, so, too, do new tools for your computer or mobile device that help protect your privacy and break through Internet censorship.
More

All About America

AppleAndroid