Food shortages? Go resteraunt kitchen see how much FOOD they just trhow away.
Their green energy initiatives will bite them severely. I suppose relying on a senile dictator for cheap energy has its consequences.
Just like the world putting their manufacturing basket in China, it has come back to bite them. Everything has a consequence.
Europe should have been preparing for this since 2014/crimea but they don't learn from their history..
Someone did try to warn them. Donald Trump was laughed at by the Germans for his warning in 2018:
https://www.youtube.com/watch?v=1JpwkeTBwgsI suppose the Germans will not be laughing so much during winter time. Says a lot about centralization too, doesn't it? Had Germany diversified their energy sources, there wouldn't be a reliance on Russia.
I think you're right about China. Too much of the western world depends on their cheap manufacturing. It can't last forever.