Chart: The Carbon Footprint of 'Thank you' Emails | Statista
No, Having One Child Does Not Add 60 Tons Per Year to Your Carbon Footprint – Live! Sustainably! Now!
Carbon Footprint Calculator for Students: Free for Students and Teachers
International comparisons
Calculating Our Digital Carbon Footprint
Calculating and offsetting your carbon footprint - The Green Stars Project
Calculating and offsetting your carbon footprint - The Green Stars Project
Carbon footprint - Wikipedia
The CO2 Footprint of Ebikes vs. That of Cars - E-Bike Blog
How we built the UK national carbon calculator | Greenhouse gas emissions | The Guardian
Why BP Carbon Footprint Calculator Is Misleading Your Eco Footprint
How big is your carbon footprint? | Carbon footprints | The Guardian
Carbon footprint calculator – Bifrost
How (and why) we built the Guardian's new carbon calculator | Carbon footprints | The Guardian
Why BP Carbon Footprint Calculator Is Misleading Your Eco Footprint
Car Carbon Footprint Calculator: Choose Your Car's Year, Make, and Model
What's a carbon footprint and how is it worked out? | Environment | The Guardian
Carbon copies? | Carbon footprints | The Guardian
Calculating and offsetting your carbon footprint - The Green Stars Project
How (and why) we built the Guardian's new carbon calculator | Carbon footprints | The Guardian
Carbon Calculator: Easy Ways to Reduce Your Carbon Footprint | NHBS Academic & Professional Books
Data Journalism Top 10: Olympics, Carbon Footprint, Illegal Mining - GIJN
