Volcanic ash health concerns

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The World Health Organization warned today of potential respiratory problems for people who inhale particles of microscopic ash from Iceland’s volcanic eruption. Anchor Marco Werman talks to Stephen Spiro of the British Lung Foundation in London.

A lively volcano

Alaska’s Aleutian Island chain is home to some of the world’s most dangerous volcanoes, including the one we’re looking for in today’s Geo Quiz. This particular volcanic island roared to life a year ago.

That was bad news for the plants and animals living there. But scientists report signs of life on this volcanic moonscape.