A collective gesture
Aquele Abraço
A line along the ocean became a shared promise to care for the places that connect us.
Read the story
Cities ofSeven ContinentsA collective gesture
A line along the ocean became a shared promise to care for the places that connect us.
Read the storyCities of Seven Continents
C7 finds people and organizations already solving shared urban challenges, then gives their work the context, connections, and visibility to travel.
Look for local practice already delivering results.
Connect it to the people, evidence, and places around it.
Give proven work the visibility to move between cities.
Featured story
C7 finds practical ideas already working at street level, gives them context, and helps them travel to the next city.
Read the storyGrants & sponsorships
Years of grants and sponsorships — the practical, ongoing work behind C7, most recent first.
Our ecosystem
From policy to local organizations to the individuals making it run — the places, groups, and people C7 works with, together in one view.
A coastal metropolis where culture, climate, density, and civic imagination collide in public view.
ExploreA civil-society organization turning environmental awareness into visible, repeatable action along Brazil's coast.
Explore
Flávio Gomes founded Horta na Favela in Rocinha, tackling food insecurity through urban agriculture, wet-waste recycling, tilapia aquaculture and environmental education toward a "sustainable favela".
ExploreCities Engine
High-resolution data connects every public story to a broader urban landscape—so a useful intervention can be understood, compared, and moved.
Latest news
01 · Cities Summit
Volunteers painted a life-size humpback whale across 25 panels. It was assembled on Ipanema Beach during G20 week, then again at the Brazilian Surf Championship in São Conrado.
Read the story02 · 2024 Sponsorship · C7 × Route Institute
Across the second half of 2024, C7 sponsored eleven Route Institute cleanup actions from Rio de Janeiro to São Paulo — removing hundreds of kilograms of waste and, more importantly, changing how thousands of people see their relationship with it.
Read the story03 · Advanced
The advanced features — João as an analyst copilot, search that understands meaning, the AI discovery console that grows the directory, and the read-only feed that tracks what changed.
Read the storyWhat we do
Our vision is to add a rung to the bottom of the ladder—making cities greener, healthier, happier, and more connected.
01
A collective gesture—arms open to the ocean, hearts aligned with the planet. What begins as a hug becomes awareness, connection, and care.
Explore02
Stories and public actions that make complex issues impossible to ignore.
03
When we look closer, waste becomes reflection and trash turns into truth. What we discard can help us rebuild ideas, values, and our relationship with the planet.
04
Five events in Rio de Janeiro during the 2024 G20, bringing together experts, officials, community leaders, and entrepreneurs around urban-ocean sustainability.
05
Structured intelligence for understanding, comparing, and improving cities.
06
A network effect for solutions ready to move between places and practitioners.
Why C7
“C7 recognises that cities are the key nodes in our global society, and that if we can progress them fairly it will serve the benefit of the majority.”
“We have more in common than that which divides us. C7 wants to elevate discourse to a problem-solving mindset.”
“Successful systems are transferable across our planet, and everyone deserves open access to growth.”
Become part of the change
Bring a city, a proven intervention, a story, or the support that helps useful work move.
Support C7You’ll continue on C7’s donation page.