About CarbonBuddy

CarbonBuddy is a free, independent resource for understanding carbon emissions and your environmental impact. We believe climate information should be accessible to everyone — no paywalls, no registration required.

What we offer

• A free carbon footprint calculator that runs entirely in your browser
• Live global CO2 emissions counter based on IEA data
• Detailed emissions data for countries and UK cities
• An interactive world emissions map
• Guides on reducing your carbon footprint

Our data sources

All emissions data is sourced from the IEA World Energy Outlook, Global Carbon Project, and DEFRA GHG Conversion Factors. Figures are updated annually.

Zero cost to operate

CarbonBuddy is built as a fully static website hosted on Cloudflare Pages. There is no database, no server, and no paid infrastructure. This keeps it free forever.