Household carbon footprint
Estimate annual tons CO₂e across housing, travel, food, and waste—with region-aware electricity factors and high-impact action tips. Use for factors and benchmarks. Educational only.
Household & individual carbon calculator
Estimate your annual footprint across housing, travel, food, and waste.
Footprint inputs
We estimate electricity emissions using a typical carbon intensity for your region. Cleaner regions mean lower housing emissions—see for the technical factors.
City & household impact
Model how recycling adds up across your community: plastic bottles, cans, e-waste, city size, and share of residents participating. Figures are illustrative for learning and outreach.
Citizen Waste Reduction Calculator
Set your household’s weekly recycling habits, then see what happens if a share of residents across the city adopt the same practice. Figures are illustrative estimates for education and engagement.
Household and city inputs
We translate population into households using an average size of 2.3 people.
E-Waste CO2 savings
Recycling electronics keeps harmful materials out of landfills and can reduce greenhouse gas emissions compared to making new products from scratch. Use the calculator below to explore estimated CO2 savings based on what you recycle.
E-Waste CO2 savings
Pick what you are recycling and adjust the slider. Your estimated CO2 savings update instantly.
E-waste inputs
Quick Quiz: Local Recycling IQ
Progressive questions - one at a time. Rules vary by city; this builds careful sorting habits.
Question 1 of 3
Is a disposable coffee cup with a wax or plastic lining recyclable in most curbside programs?
Did you know?
Small Changes, Big Impact.
Powering Your Favorite Show?
Recycling one aluminum can saves enough energy to run a TV for 3 hours. Imagine what a whole city can do.
One Trip. Billions Saved
If the entire world used reusable bags, we could save over 100 billion plastic bags per year. Your weekly grocery run is a world-changing event.
Best Deal You'll Ever Get on Waste
Composting can reduce household waste by up to 30%. That's like getting a 30% discount on your trash.