> ... “removal of all in-water infrastructure” belonging to the Ocean Observatories Initiative at sites along the coasts of Oregon, Washington, Alaska, and North Carolina, and in the waters between Greenland and Iceland.

...Why is Europe reliant on the US for monitoring oceans between Greenland & Iceland, i.e within European territory & therefore European monitoring? Shouldn't they have their own infra to work from?

That stretch of ocean is closer to Canada than it is to mainland Europe.