Carbon footprint - Wikipedia

File:Carbon Footprint simple-explanation EN.webm - Wikimedia Commons

Greenhouse gas emissions - Wikipedia

Greenhouse gas emissions by the United Kingdom - Wikipedia

Individual action on climate change - Wikipedia

Ecological footprint - Wikipedia

List of locations and entities by greenhouse gas emissions - Wikipedia

File:Carbontrust footprint-en.svg - Wikipedia

Greenhouse gas emissions - Wikipedia

how to reduce carbon footprint –