Together against climate change
2zero municipalities

The climate protection app for municipalities

Citizen participation in climate protection has never been so easy. 2zero is the all-round carefree package to motivate your citizens for more sustainability in everyday life.

How 2zero works

Want to know how 2zero works? Watch our video to find out how you can use our tools to set up a unique sustainability campaign.

What our customers say about us

"The Klimathon has shown us: The 2zero app simplifies the approach and illustrates how much CO2 was saved together. Definitely recommended for other municipalities!"

Fabian Humpert

Climate protection manager of the city of Verl

"The diversity of content of climate-friendly behavioral measures makes the 2zero app an innovative climate protection tool for behavioral climate protection."

Andreas Oeding

Managing Director of the Flensburg Climate Pact

"The communication with 2zero was perfect, problems were discussed and solved immediately, a competent employee was always on hand to provide support."

Dr. Lisa Rütgers

Climate protection manager of the district of Ebersberg

"We promoted the 2zero app intensively on social media in advance using the materials provided and were able to get a great turnout."

Laura Düpre

Climate protection manager of Bad Homburg

"The climate rally was a very entertaining way to integrate climate protection into everyday life and was able to sensitize young people in particular to the topic."

Sem Schade

Climate protection manager of the city of Wendlingen am Neckar

Success story -
A climathon in the far north

The climate protection managers from Kiel and Flensburg report on their experiences with 2zero during the joint climate marathon

The advantages with 2zero

We inspire in a playful way with the 2zero app and provide you with valuable content and useful insights

For you as management

For your participants

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Overall process support

From the application to the evaluation - 2zero supports you in every phase with the right materials.

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You have hardly any effort

The 2zero actions are finished and ready for use. So you don't have to create the content yourself first.

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Content from our research partners

Our challenges come from a joint research project with:

Uni Kassel LogoWuppertal Institute LogoFraunhofer Institute Logo
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All about sustainability

Our challenges, ClimateGoodNews and quizzes provide you with exciting information every day

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Competitions & rewards

Take part in team competitions, collect climate points & receive rewards

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Understanding your own impact

CO2 calculator, concrete CO2 savings & mobility tracking show you how you can improve

We have the right products for your challenges

42-Day Klimathon

The 42-day Climateathon offers exciting challenges in different areas of life. Participants get involved in their community for a more sustainable everyday life and learn how to avoid CO₂ emissions. For their efforts, users collect climate points, take part in competitions and also receive great rewards.

2zero Klimathon

Annual plan

With the 2zero annual plan, you can turn the app into your official sustainability platform. Build a long-term community and keep your target group up to date with your own news and guides. In addition, your community automatically participates in all 2zero initiatives, so that participants receive tips and tricks for more sustainability all year round.

2zero initiatives annual plan

Your dream campaign

We would be happy to work with you to create your completely customized sustainability campaign. The time period, focus and challenges can be flexibly designed so that you can perfectly reflect your specific ideas with 2zero

2zero Management Own tools

In 3 steps to the 2zero campaign

First, we work together to determine your specific needs and preferences. Based on this, we create a customized offer that is perfectly tailored to you.

We implement your community in the app, prepare all the important access points for the management portal and create the marketing materials you require

After about 14 days you will have all the important access points and can communicate the campaign to your participants using the materials provided

Would you like to organize a Klimathon?

Request a non-binding quote for your municipality here

The 2zero app engages people to act together to protect the climate