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Hamburg decides on climate neutrality: referendum on Sunday!
On October 12, 2025, Hamburg will decide on climate neutrality by 2040. A referendum calls for comprehensive measures for environmental and climate protection.
Hamburg decides on climate neutrality: referendum on Sunday!
A significant event is coming up in Hamburg: On Sunday, October 12, 2025, the referendum on climate neutrality for the Hanseatic city will be held. The referendum, also known as the “Hamburg Future Decision”, could bring about groundbreaking changes in Hamburg’s climate protection law. Organized by a broad coalition supported by the Fridays for Future initiative, NABU and other partners from the social and cultural sector, it has the ambitious goal of making Hamburg climate neutral by 2040 sat1regional reported.
The citizens of Hamburg have to decide: for the referendum to be successful, more yes votes than no votes are needed, and at least 20 percent of the 1.31 million eligible voters must agree. Numerous initiators argue that there is no lack of technologies and financial resources to achieve the climate goals. Federal states such as Lower Saxony and Schleswig-Holstein have already set similar targets by 2040, while Bremen is aiming to lead the way with the 2038 target Wikipedia.
The planned measures
The planned package of measures provides for several significant changes to the Hamburg Climate Protection Act:
- Einführung jährlicher Minderungsziele zur Reduzierung der CO2-Emissionen um mindestens 70 % bis 2030 und um 98 % bis 2040.
- Verpflichtung zur Festlegung von Zwischenzielen und zur Einrichtung eines Monitoring-Systems.
- Soziale Verträglichkeit bei energetischen Sanierungen, um Mietsteigerungen zu begrenzen.
- Bisherige Energiequellen wie Gas und Öl sollen durch moderne Technologien ersetzt werden, sowie die Integration von Wasserstoff und E-Fuels in die Industrie.
A report from institutes such as the Hamburg Institute has underlined the feasibility of climate neutrality by 2040, but emphasizes the need for significant efforts and comprehensive changes, including the complete replacement of old heating systems and measures to electrify transport Daily Mirror.
Political reactions
However, the referendum is not only met with approval. All factions of the Hamburg citizenship, except the Left, as well as various associations, including the Chamber of Commerce and the Chamber of Crafts, have spoken out against the initiative. A cross-party alliance made up of the SPD, CDU and FDP launched a “no” campaign last week before the decision, which further fueled the political debate Wikipedia.
The referendum will be held at 185 voting centers from 8:00 a.m. to 6:00 p.m. The counting of votes will take place in the evening and could be groundbreaking for the citizens of Hamburg: It is the first vote on an issue since the failed Olympic referendum in 2015. Based on the developments and the commitment of the initiators, the coming days will show how serious the people of Hamburg are about the future of their city and the climate.