Take the 60-second quiz to see your personal carbon footprint — and discover exactly how much CO₂ you could avoid this year.
Free to start · No credit card needed
Carbon Bank
Estimated CO₂ avoided
+6.2 lbs today
Answer a few questions about your lifestyle. We estimate your carbon footprint and your potential.
Pick sustainable habits that fit your life. Complete them daily to grow your Carbon Bank.
Track your streak, unlock achievements, and see your estimated CO₂ avoided add up over time.
30+
Sustainable habits
15+
Achievements
∞
Reasons to feel good
"I saved 200 lbs of CO₂ in my first month — and actually had fun doing it."
Sarah K.
My Green Year member
Discover how much CO₂ you could avoid — then start building your Green Year.
Free to start · No credit card needed