Welcome to Tanso Club

A community committed to carbon reduction through collective action, challenges, and shared accountability.

12,847 Members
2.1M t CO₂ Offset
34 Active Challenges
Join the Club

Community Impact

456 t CO₂ saved this month
1,204 Challenges completed
89% Member retention rate

Zero Waste March

72% of goal reached
+248

Plant 10,000 Trees

4,500 of 10,000 trees
+189

Bike to Work Week

91% participation
+412

Member Stories

"Joining Tanso Club made carbon reduction feel achievable. The community challenges keep me accountable in ways I couldn't manage alone."

Aiko Tanaka Reduced 2.4t CO₂ this year

"Our neighborhood composting challenge diverted 800kg of waste from landfill. Small actions, compounded by community, create real impact."

Marcus Rivera Led 3 community challenges

"The personal carbon tracker helped me see exactly where my footprint was highest. I cut my emissions by 40% in just six months."

Priya Sharma 40% emission reduction

Join a Challenge

Meatless April

Go plant-based for 30 days and track your carbon savings with the community.

28% — 1,420 participants
Join Challenge

Public Transit Month

Ditch the car and commute green. Log your transit trips to earn badges.

55% — 890 participants
Join Challenge

Energy Audit Sprint

Audit your home energy use and share tips to cut consumption.

15% — just started!
Join Challenge