The Iceland volcano has also disrupted tourism, trade in goods, and other economic activities for the US.
As Iceland's volcanic ash cloud hangs over Europe, stranding airline passengers for a fifth day, the train, bus, taxi, and ferry companies are doing a booming business. Would you pay $5,000 for a taxi ride from Norway to Britain?
A supporter of new elected Turkish Cypriots leader Dervis Eroglu holds a Turkish flag in front of his face during victory celebrations, in Turkish occupied area of Nicosia, Cyprus, on April 18. Cyprus was split in 1974 when Turkey invaded after a coup by supporters of union with Greece.
Kenya's flower and vegetable industry, which employs tens of thousands of workers and contributes over a fifth of the country’s GDP, is losing $3 million per day because ash from the Iceland volcano has grounded freight flights.
The eruption at Eyafjallajökull volcano in Iceland has been hugely disruptive to world travel. But as a volcanic event, it's barely worth mentioning.
Every time in recorded history that Eyjafjallajökull volcano has erupted, the much larger Katla volcano has also erupted. Scientists are watching Katla carefully.
Some European airlines have begun test flights to see if it is safe to fly through the volcano ash from Iceland's Eyjafjallajökull. But a NASA study says a little ash can cause serious problems.
President Obama and other world leaders were prevented from traveling to see Polish President Lech Kaczynski's funeral in Krakow today due to the cloud of ash hanging over Europe after the Iceland volcano.
Centenarian Kate Hecht's secret to long life included social networking to outmaneuver the Nazis