Cities of Seven Continents
Local proof. Global possibility.
C7 finds solutions communities have already built, documents what works, and helps those solutions reach other cities.
Explore the Cities EngineCities of Seven Continents
Local proof. Global possibility.
C7 finds solutions communities have already built, documents what works, and helps those solutions reach other cities.
- 01
Find what works
Look for local practice already delivering results.
- 02
Add context
Connect it to the people, evidence, and places around it.
- 03
Help it travel
Give proven work the visibility to move between cities.
Featured story
A billion seconds is long enough to change a city.
C7 finds practical ideas already working at street level, gives them context, and helps them travel to the next city.
Read the storyGrants & sponsorships
Where our support has gone.
Years of grants and sponsorships — the practical, ongoing work behind C7, most recent first.
- Granted to date
- $1,500
- Grants & sponsorships
- 3
- Organizations supported
- 3
Organize by
Our ecosystem
A city is a living system.
From policy to local organizations to the individuals making it run — the places, groups, and people C7 works with, together in one view.
Rio de Janeiro
A coastal metropolis where culture, climate, density, and civic imagination collide in public view.
ExploreRoute Institute
A civil-society organization turning environmental awareness into visible, repeatable action along Brazil's coast.
Explore
Flávio Gomes
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
Intelligence for the world’s cities.
High-resolution data connects every public story to a broader urban landscape—so a useful intervention can be understood, compared, and moved.
11,000+cities in the shared intelligence layer
Explore the engineLatest news
Signals from the network.
01 · Cities Summit
The G20 Whale
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
Cleaning the Beach Changes the Beachgoer: C7's 2024 Sponsorship of 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
Power tools in the Cities Engine
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
We scale good ideas.
Our vision is to add a rung to the bottom of the ladder—making cities greener, healthier, happier, and more connected.
01
Aquele Abraço
A collective gesture—arms open to the ocean, hearts aligned with the planet. What begins as a hug becomes awareness, connection, and care.
Explore02
(T)RASH
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.
03
Cities Summit
Five events in Rio de Janeiro during the 2024 G20, bringing together experts, officials, community leaders, and entrepreneurs around urban-ocean sustainability.
04
Cities Engine
Map what works, city by city. The Cities Engine records local solutions, their results, and their value to the cities they serve.
Become part of the change
Let a good idea travel farther.
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.