The invasive Pacific oyster is spreading rapidly in Oslofjord, causing injuries to bathers and threatening local ecosystems, with Oslo municipality now offering a reward for their removal.
Scientists now say that the harmful alga will survive the winter and that it will probably turn green in the Oslo fjord next year as well.
It's January 15th and the first signs of spring are here. The biologist found a snail in the garden, and in the flower box of the meteorologist sprout and grow it. Both are concerned.
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