When Greta met the reindeers
In Lapland, the famous reindeer have had a very special visitor... not Santa - Greta!
Average temperatures in the Arctic have risen twice as fast as the average in the rest of the world according to the Arctic Council and it's affecting reindeers grazing lands.
Soft snow that reindeer are able to snuffle grass through is being replaced by hard ice which they can't.
Watch this to find out more.