The trouble with Nord Stream 2 is that it removes the dependencies which keep Russia from invading Eastern European countries like Poland by creating a route to sell gas to the richer parts of Europe that doesn't go through them, whilst also creating a dependency that would make it painful for the rest of Europe to take action if Russia did such a thing. This is probably not good for peace in Europe.

I take your point and I sort of agree, but I'm really excited for how the transition to clean energy will reduce the Kremlin's influence. Even without exporting so much energy, I suspect/hope Russia's remaining economy will still be too dependent on exports to risk attacking anyone (especially considering that China et al would probably strongly oppose an attack on its most lucrative clientelle, however much it might otherwise detest them).