The Hum Sum

Humanity Adding Solutions

Community Platform for


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Why The Hum Sum


Our planet is buzzing with activity and good ideas.
This site is dedicated to everyone who is tuning in and adding what
humanity can for a healthy and harmonious future!

The Hum Sum community

Hum sum exchange

give what you don't need, find what you need

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Everyone! Organizations, businesses, government agencies and individuals 


 Free community platform for consolidating eco-information


To bridge the gap between global climate initiatives and public actions.

Worldwide Events

Here, everyone can showcase inspiring examples for building healthy environments. From the local product store window displays to green building open house walking tours, celebrate eco-actions, great and small. Promote your restaurant's climate-friendly menu, nonprofit's volunteer day, school's edible garden, office's new recycling system, dog park's model poo composting station, electric car parade, clean water art expo, bike-friendly neighborhood roundtable... Now is the time to build momentum. The world is watching!


Openly discuss real-life home and business eco-challenges and opportunities. Find experts who hold the solutions to barriers sector by sector and region by region. It is important to connect innovators in order to save time, funds, and avoid reinventing the wheel.

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Members, you can post your eco-events taking place around the world as models for more communities to follow. Incorporate your ideas, logos, and links. This is a collaborative effort, orchestrated with many NGOs, businesses, and individuals, which is open to every country and every language.

We have just launched the new version of the site and we are in testing phase. If you see any issue please report using the Feedback button on the right. Dismiss