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Europe's getting hotter, especially in the mountains.
120 years ago, it was 2 degrees Celsius colder.
Scientists are studying the Jamtalferner glacier, in Austria.
The ice is melting into water.
Andrea Fischer studies glaciers.
And what melts must be refrozen as ice."
Glaciers are like a museum.
Inside the ice are old plants.
These plants give information.
It shows the Earth’s climate in the past.
Scientists can learn when the ice began.
They see when it melted too.
Scientists use the information to understand our future climate.
Now, Ms Fischer can see grey in the mountain ice.
All these surfaces, where we already see rocks, will no longer exist at that time."
Scientists are worried.
They don’t want to lose the important information.
So, they’re using machines to get it.
These machines go down 14 metres into the ice.
It’s dangerous work.
In Italy, a glacier melted and there were big problems.
11 people died in the mountains.
But there isn’t much time.
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