It's easy to dismiss individual action as meaningless against the scale of climate change. But the maths of cycling commutes tells a more encouraging story than most people realise.
The average passenger car emits approximately 170g of CO₂ per kilometre in real-world conditions — higher in city traffic due to stop-start driving. A 6km car journey in Berlin produces roughly 1.02kg of CO₂.
A bicycle produces zero direct emissions. The only CO₂ associated with cycling is the production of the bicycle itself — amortised over its lifetime, this works out to approximately 5g of CO₂ per kilometre, compared to a car's 170g. In practice, cycling is effectively zero-emission transport.
If you cycle 6km each way to work (12km per day) on 230 working days per year, you're covering 2,760km annually. Against an equivalent car journey, that avoids approximately 450kg of CO₂ — nearly half a tonne per person, per year.
To put that in context, 450kg of CO₂ is roughly equivalent to a return flight from Berlin to Barcelona, running a washing machine every day for 6 years, or charging a smartphone 54,000 times.
Berlin has approximately 800,000 regular commuter cyclists. If we apply the same calculation, Berlin's cycling commuters collectively avoid approximately 360,000 tonnes of CO₂ per year from commuting alone. That's before leisure rides, weekend trips, and errands are counted.
PedalPay tracks your CO₂ savings in real time, displaying your personal environmental impact alongside your distance and credits. Watching that number grow on your daily commute is a small thing — but it's a meaningful one. Your rides aren't just getting you to work. They're adding up to something real.
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