Der große Schleswig-Holstein Klimathon

Vom 03.03. bis zum 13.04. stellt sich das ganze Bundesland unserer großen Klimaschutz-Challenge

The Sustainability App for Municipalities and Businesses

With the 2zero app, we motivate your citizens and employees to work towards your sustainability goals. Our ready-made activities ensure you are always ready to go.
That means for you - minimal effort, maximum impact!

2zero | Initiativen für mehr Nachhaltigkeit

Die Nachhaltigkeits-App für Kommunen und Unternehmen

Mit der 2zero App motivieren wir eure Bürger:innen und Mitarbeitenden, sich für eure Nachhaltigkeitsziele einzusetzen. Mit unseren vorbereiteten Aktionen seid ihr jederzeit startklar. Das bedeutet für euch - Kleiner Aufwand, große Wirkung!

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This is how 2zero works

You want to know how 2zero works? In our video, you’ll find out how you can launch a unique sustainability campaign using our tools.

You want to know more about 2zero?

Send us a contact request or book a personal meeting to get a tailored overview of 2zero and our solutions!

Die 2zero App engagiert zu gemeinsamen Handeln im Klimaschutz

Over 80 Municipalities and Companies already trust us.

"With 2zero, we’re giving another boost to our EU Mission “100 Climate-Neutral Cities” pilot project CoLAB. This allows us to motivate citizens with changing challenges for a sustainable everyday life, helping them playfully move from knowledge to action.“

Agnes Schönfelder

City of Mannheim

"A great app to introduce young agricultural trainees to the importance of sustainable practices for climate protection in a way that is targeted and easy to understand."

Sven Jantzen

bbz Bad Segeberg

"The Climathon is an initiative that, with its daily challenges and many practical tips, shows everyone individual ways to change their behavior and thus have an impact on our climate. We highly recommend the Climathon."

Celia Dustmann

F.A.Z. BUSINESS MEDIA GmbH

"With this initiative, we managed to get our colleagues to take action – that’s a great success. Working with you was an absolute pleasure!"

Dr. Daniel Rackensperger

City of Munich

"The 2zero support team is very accommodating, innovative, thoughtful, and helpful. We had numerous specific requests for changes in Lüneburg, and almost all of them were implemented promptly."

Karina Hellmann

Climate Protection Manager of the Hanseatic City of Lüneburg

"Communication with 2zero was perfect, problems were promptly discussed and resolved, and a competent team member was always there to provide support"

Dr. Lisa Rütgers

Climate Protection Manager of the District of Ebersberg

"The Climathon showed us that the 2zero app simplifies communication and clearly illustrates how much CO₂ was saved together. Definitely recommendable for other municipalities!"

Anna-Lena Enskat

City of Duderstadt

"The Climathon showed us that the 2zero app simplifies communication and clearly illustrates how much CO₂ was saved together. Definitely recommendable for other municipalities!"

Fabian Humpert

Climate Protection Manager of the City of Verl

"The diverse range of climate-friendly behavior measures makes the 2zero app an innovative climate protection tool for behavior-oriented climate action."

Andreas Oeding

PR Manager of the Climate Pact Flensburg

"The Climathon offers us as a municipality a great opportunity to engage with different target groups. The content is very informative and easy to understand."

Lisa Macheleidt

Climate Protection Manager of the State Capital Kiel

NDR feature on the major Climathon in Schleswig-Holstein 2025
The Climathon competition runs for 42 days in Schleswig-Holstein. The 2zero app shows how much CO₂ is produced by certain activities and how much can be saved.
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Logo Verbraucherzentrale

»2zero ist eine der bislang vielversprechendsten Klimaschutz-Apps für Kommunen und Unternehmen. Verspielt, witzig und dabei wissenschaftlich fundiert werden hier klimafreundliche Maßnahmen mit Mehrwert für Mensch und Umwelt vermittelt. Auf den Smartphones in unserer Testredaktion hat 2Zero jedenfalls einen festen Platz.«

Gesamtwertung

Customized solutions for Municipalities and Businesses

With our tailored solutions, you’ll get the right challenges for your target audience

For Municipalities

Discover with 2zero how you can inspire your citizens for regional climate protection and local engagement.

For Businesses

Discover with 2zero how you can promote a culture of sustainability and strengthen your employees' identification with your company.

Your benefits with 2zero

We engage participants in a playful way with the 2zero app and provide management with all the essential materials and content

For you as Management

For your Participants

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Motivated Target Audience

With the 2zero app, you show participants how they can make their everyday lives more sustainable. This boosts motivation for greater engagement.

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Minimal Effort

You get ready-to-use content that can be easily integrated into your daily work – more sustainability without added stress

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Scientific Content

Benefit from scientifically backed content from our research projects

Uni Kassel LogoWuppertal Institut LogoFraunhofer Institut Logo
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Understand your own Footprint

Calculate your CO₂ footprint, track your daily activities, and understand your impact on the climate

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Make Sustainable Decisions

Complete daily challenges, explore interactive guides and quizzes, and get inspired by Climate Good News & more

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Share your Successes and Motivate others

Collect climate points, earn attractive rewards, and share your successes with the community

With 2zero for Climate Protection: Our Products for your Municipality

42-day Climathon

Our 42-day campaign with daily challenges, spread across 6 exciting theme weeks. Users collect climate points for their participation, can take part in competitions, and also receive great rewards.

2zero Klimathon

Jahresplan

Mit dem Jahresplan macht ihr die 2zero App zu eurer offiziellen Nachhaltigkeitsplattform. Nutzt unser Management Portal für eigene News & Events und profitiert von den ganzjährig vorbereiteten 2zero Aktionen.

2zero Initiativen Jahresplan

Eure Wunschkampagne

Wir erstellen mit euch gemeinsam eure vollständig individuelle Nachhaltigkeitsaktion. Zeitraum, Themenschwerpunkt & Challenges können flexibel gestaltet werden, sodass ihr eure konkreten Vorstellungen mit 2zero perfekt abbilden könnt.

2zero Management Eigene Tools

In 3 steps to the 2zero Campaign

First, we’ll identify your specific needs and preferences together. Based on that, we’ll create a customized offer that’s perfectly tailored to you.

We integrate your community into the app, set up all the necessary access to the management portal, and create the marketing materials you need

After about 14 days, you’ll have all the necessary access and can communicate the campaign to your participants using the provided materials

Are you interested in a Product?

Send us a contact request or book a personal meeting to get a personalized overview of 2zero and our solutions!

Gemeinsam für eine grüne Zukunft