“Fast action” in what sense? It looks like the nuclear phase-out in Germany started decades ago.

The history behind Germany’s nuclear phase-out

The nuclear phase-out is as much part of the Energiewende (energy transition) as the move towards a low-carbon economy. Despite ongoing quarrels over its costs and an international perception that “German angst” caused the government to shut down reactors after the Fukushima accident, a majority of Germans is still in favour of putting an end to nuclear power.