Carbon & Canopy
Five quick questions to estimate your yearly carbon footprint — and see how many trees it would take to soak it back up.
Getting around
Day-to-day driving in a car.
Flights this year
Count each round trip once.
Home energy
Electricity, heating & cooling for your household.
What you eat
Your typical diet.
Your footprint
Where it comes from
Estimates use typical emission factors and are meant as a friendly guide, not an audit. Tree figure assumes a growing tree absorbs about 21 kg of CO₂ per year on average — real sequestration varies by species, age and climate.
How you compare, by country
Average CO₂ per person in 2024 (Global Carbon Project) — your bar updates live as you answer above.
Source: Global Carbon Project via Our World in Data, 2024 (territorial CO₂ from fossil fuels & industry, divided by population). One caveat worth knowing: these national numbers count energy and industry CO₂ only, while your personal estimate is a broader CO₂-equivalent that also folds in food — so read this as a sense of scale, not a perfect like-for-like match.
How the tree number works
A single growing tree pulls roughly 21 kg of CO₂ out of the air each year once it's established — a widely used mid-range estimate. To match one year of your footprint, you divide your annual emissions (your tonnes × 1,000 to get kilograms) by that figure.
Worked example: a 6.5-tonne footprint is 6,500 kg. Divide by 21 and you get about 310 trees to soak up a single year's emissions.
Read this honestly: a freshly planted sapling absorbs almost nothing for its first few years and only reaches that rate as it matures, so real-world offsetting plays out over decades — not instantly. Trees can also burn, be cut, or die and release their stored carbon back. Actual absorption ranges widely by species, age and climate (anywhere from ~10 to 40+ kg a year). So treat this as a tangible way to picture your impact: planting trees is genuinely worthwhile, but cutting emissions at the source does far more than offsetting them after the fact.