for source article.
There have been Portuguese Man o'War washing up at my town of Winter Harbour on northern Vancouver Island since I was a kid. They are all over the oceans and no doubt the Gulf Stream brings them north to Europe. I do not recommend being stung by them, it is very painful.
They say "The Northwest Passage, the route through the frigid archipelago from Alaska across northern Canada, has been ice-free from one end to the other only twice in rec orded history, in 1998 and 2007."
"Recorded history" is since 1979 when the first satellite photos of sea ice extent were begun. There is no "recorded history of the extent of ice before 1979.
I saw another story from this Project Clamer today about the first Gray whale sighting in the Atlantic, actually the Med near Israel, since they were hunted to extinction in the Atlantic in the 1700s. It must have swum from the Pacific side through the Northwest Passage, or over the top of Russia. This was portrayed as an omen of doom rather than something to celebrate. Amundsen traveled through the Northwest Passage in 1904 or so, and the St, Rock in 1944 twice, so if a wooden boat could get through so could a Gray whale. But no, this is a sure sign that catastrophic climate change is at hand: here
They are basically blaming every change they see on global warming, even the return of a species that was native to the Atlantic for millions of years.