[paavokoya]

Despite the obvious CO2/warming reasons, wouldn't these research vessels/cruise ships cause more ice melt as well? (Breaking up the ice causing faster melt)

[roywiggins]

The Arctic is pretty big and there aren't many research boats. There are only a few dozen icebreakers in the world.

https://news.usni.org/2013/07/23/u-s-coast-guards-2013-reive...