And in the short and medium turn, Europe cannot get to renewables. Re-doing an continent's energy grid takes time. Also, remember that many water heaters and house heating systems run on gas. Switching these to electric will also take time.

Exactly, not to mention that Europe only has about 6 weeks worth of gas reserves according to German analysts.

https://www.theguardian.com/world/2022/feb/23/europe-winter-...

which is plenty because the winter is ending, so even without gas nobody should freeze. What would the industry do is other question.

There have been energy crisis in the past and most people survived it, albeit with major inconveniences. I would say that is a small price to pay for peaceful resolution.

One immediate action would be to cancel closing the nuclear plants.