Around 15,000 people marched in Hamburg on Saturday at the Jungfernstieg (a central waterfront boulevard) to demand an acceleration of Germany's energy transition and to protest against Economy Minister Katherina Reiche, whose support for fossil fuels has drawn sharp criticism. Speakers argued that dependence on oil and gas poses a growing security risk — particularly in the context of the ongoing Iran war — while renewable alternatives such as heat pumps and wind turbines do not. The Hamburg rally was part of a coordinated nationwide day of action, with organisers reporting a combined turnout of 80,000 people across Berlin, Hamburg, Cologne, and Munich.