Protecting the climate together

We'll show you how!

2zero supports over 50 municipalities and companies in climate protection. We help your citizens and employees to achieve their climate goals in a playful way. For you, this means - small effort, big impact!

Together against climate change

Customized solutions for municipalities and companies

Discover the right solutions for your individual challenges and turn your target group into climate protection heroes

For municipalities

How can we get our citizens actively involved in climate protection in our community? With 2zero, it's easier than ever to get your citizens excited about municipal climate protection!

For companies

How can we actively involve our employees in climate protection efforts? With 2zero you promote a sustainable working environment and set a clear signal for climate protection!

Your advantages with 2zero

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We accompany the entire process

From application to evaluation - 2zero supports you at every stage

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You have no effort

We offer prepared content - you can easily introduce 2zero alongside your day-to-day business

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Content from our research partners

Uni Kassel LogoWuppertal Institute LogoFraunhofer Institute Logo

We have the right products for your challenges


Based on the endurance and determination that a marathon requires, the 42-day climate marathon aims to show you different ways to reduce your carbon footprint. During the campaign, participants can choose from a variety of challenges specially designed for the campaign and collect climate points.

2zero Klimathon

Annual plan

With our annual plan, we are with you every step of the way: from the development of a sustainable vision to the implementation of our prepared initiatives. We set common goals with you that are tailored to your specific needs and enable you to measure progress in real time - for a continuous and measurable reduction of your carbon footprint.

2zero Business annual plan


Our interactive workshops offer you the perfect platform to find the right challenges for your sustainability goals. Our experts will guide you through the many possibilities in the field of climate protection and provide you with concrete challenges that you can use to integrate sustainable practices into your everyday life.

Reduce 2zero app

Whitelabel App

There is no stronger message for your sustainability efforts. Our whitelabel solution allows you to use our fully customized app in your name. Your own app reflects your company values and speaks directly to your users. The app is sure to become a central part of your climate protection strategy.

2zero Management Own tools

Are you interested in a product?

Simply request more information about your desired solution here!

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

What our customers say

"We used the 2Zero app to make our in-house environmental awareness campaign fun. There were suitable challenges for each and every employee, which meant we were able to reach a really large number of people. It was not only effective at the information level, but above all fun to deal with environmental issues"

Selma Anton


"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

City of Wendlingen am Neckar

"For us as a company, 2zero brings exactly what we wanted it to - the realization that everyone can do something for climate protection within the company."

Simon Westermair

Wolf Ltd.

"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

City Verl

"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

Bad Homburg

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

Andreas Oeding

City of Flensburg

seen and heard in...

Simmen of our app users

Evaluation from app-internal survey with over 80 submissions

Do you continue to integrate the challenges into your daily routine?
7 from 10
Users continue to reduce CO2
Would you participate in another 2zero initiative?
8 from 10
Users would like to continue using 2zero
Would you recommend 2zero to other communities?
9 from 10
Users recommend the Klimathon

Still unanswered questions?

Let's discuss questions together in a non-binding meeting and go through a small demo of our tools!

2zero commitment