Sustainability Communities
Communities for people working on sustainability, climate action, and eco-friendly living. Covers everything from large collaborative climate networks with city chapters to Discord communities for permaculture enthusiasts, eco-renovators, and people making sustainable lifestyle changes.
Trending in Sustainability
Communities getting the most attention right now.
4WARD.earth
4,500 members4WARD.earth is the world's largest collaborative climate and sustainability community, uniting thousands of innovators, founders, investors, corporates, NGOs, and policymakers to accelerate global climate action. Our mission is to create a global, open-access ecosystem that connects the right people, resources, and opportunities to help climate solutions scale faster. With 60+ local city groups meeting regularly in-person, thousands of global members collaborating online, and monthly sector meetups and networking events, we're removing friction and increasing collaboration to decarbonize our world. Whether you're building, funding, or supporting solutions for a better planet, 4WARD.earth is where you belong.

Zero Waste
1,702 membersThis community places a major focus on the 5 R's: refuse, reduce, reuse, recycle, and rot. Being "zero waste" means to take steps towards reducing personal waste and minimizing our environmental impact.

Sustainable Living Hub
1,238 membersGardening, Sustainability, Permaculture, DIY and Parenting. With a righteous balance of humor and depth of discussion. Group of people from all over the world that believes in acting and changing ways for the betterment of our climate and planet.
All communities in Sustainability
Sorted by member count, largest first.

r/sustainability
476,000 membersOnline discussion on environment and sustainability. While most people associate the term with the environment, true longevity requires social and economical sustainability as well as ecological sustainability.

Sustainability Professionals
319,720 membersLinkedIn group of sustainability professionals (energy, water, waste, recycling, green building, social, etc.) that network and communicate. Focused in sustainability and environmental issues.
Responsible Travel
200,000 membersA community and travel company dedicated to creating holidays that support local people and nature.

Society for Conservation Biology
27,000 membersFor almost 35 years, the Society for Conservation Biology (SCB) has proudly served as the premier international organization of professionals and students who dedicate their work towards advancing the science and practice of conserving Earth’s biological diversity.

American Society of Interior Designers (ASID)
13,500 membersASID is the oldest, largest and only multi-disciplinary professional organization for interior designers, interior design students and the manufacturers and suppliers who support the profession. Leads interior designers in shared conversations around topics that matter: from evidence-based and human-centric design to social responsibility, well-being, and sustainability. Strives to showcase the impact of design on the human experience and the value interior designers provide.

SufficientSelf
7,058 membersCommunity dedicated to living a more self sufficient & sustainable lifestyle. Ask questions, get answers, & share your experiences through the online forum.
EcoRenovator
5,249 membersWhere DIY meets eco-friendly meets your home. EcoRenovator is a site for all sorts of people, ranging from the hard-core DIYer to the weekend warrior. There is only one requirement, that you have a dedication to improving the efficiency of your home or living space.
4WARD.earth
4,500 members4WARD.earth is the world's largest collaborative climate and sustainability community, uniting thousands of innovators, founders, investors, corporates, NGOs, and policymakers to accelerate global climate action. Our mission is to create a global, open-access ecosystem that connects the right people, resources, and opportunities to help climate solutions scale faster. With 60+ local city groups meeting regularly in-person, thousands of global members collaborating online, and monthly sector meetups and networking events, we're removing friction and increasing collaboration to decarbonize our world. Whether you're building, funding, or supporting solutions for a better planet, 4WARD.earth is where you belong.

Pebble
1,922 membersPebble is a friendly virtual family for anyone looking to make a positive impact on the planet. You can network with other eco-minded entrepreneurs to grow your business and collaborate with other brands. Pebble's mission is to inspire businesses and consumers to adopt everyday activism and end mindless consumption.

Zero Waste
1,702 membersThis community places a major focus on the 5 R's: refuse, reduce, reuse, recycle, and rot. Being "zero waste" means to take steps towards reducing personal waste and minimizing our environmental impact.

Sustainable Living Hub
1,238 membersGardening, Sustainability, Permaculture, DIY and Parenting. With a righteous balance of humor and depth of discussion. Group of people from all over the world that believes in acting and changing ways for the betterment of our climate and planet.
Delivering Sustainability in your Business
900 membersTo support sustainability champions at all levels to implement practical, achievable programmes in their organisations. Collaborative peer support, knowledge sharing and expert contributions make this the go-to hub for professionals who want to make a sustainability impact in businesses of all sizes.
Climate Hero Club
800 membersClimate Hero Club connects and supports climate tech companies in Southeast Asia. Our mission is to drive innovation and growth in the climate tech ecosystem by providing access to capital, resources, and a collaborative network. The Club offers a range of benefits, including a directory listing, community events, and exclusive partnership opportunities. Join us to showcase your company's impact, connect with investors and like-minded entrepreneurs, and accelerate your journey towards a sustainable future.
Soapbox Project
150 membersSoapbox Project is a cozy community that makes it easy (and fun) for busy people to get involved in social and environmental justice! Think of us as your online community center where you can make new friends while making a difference.

The Green Forum is an online interactive community space for professionals to share and discuss insights in the pursuit of a sustainable economic transition. The Forum includes discussions on global topics and the ability for users to create dedicated groups focused on specific themes, initiatives, and projects.

A global forum to reduce our carbon footprint through what we buy, small changes we can all make, and finding innovative solutions. An information platform on environmental and sustainability tools for making community change.

A platform dedicated to sustainable fashion, promoting ethical and eco-friendly practices within the fashion industry. A national community of collab-ready entrepreneurs and partners.

The World Sustainability Forum is an international NGO whose mission is to accelerate a just, humanitarian, and prosperous transformation to sustainable development.

Reddit community for cleantech and clean energy discussions. Forum for climate tech professionals, entrepreneurs, and investors sharing ideas and opportunities.
Global platform for climate tech and sustainability discussions. Connects leaders and innovators in climate solutions, clean energy, and sustainable entrepreneurship.
Global community of B Lab certified companies and climate tech ventures. Network for sustainable businesses and social impact entrepreneurs.
Community and advocacy for advanced energy and cleantech companies. Network for clean energy entrepreneurs and investors.
Community focused on achieving net-zero emissions. Network of companies, investors, and professionals working on climate commitments.
Global community for sustainable business and climate tech innovators. Network for companies committed to environmental and social responsibility.
A global community of people and organizations committed to protecting the places we love to visit.
Offers holiday options that contribute to conservation and community development.
A forum focusing on linking sustainable tourism strategy with mobility and skills agenda.
Focuses on regenerative models of future tourism, enhancing cultural integrity and ecological health.
Addressing how destination organizations can lead through transformation, partnership, and purpose in sustainability.