The Carbon Footprint extension is available for Google Chrome, Safari and Firefox.
To install, visit Carbon Footprint's page in your browser's extension/add-on gallery/store:
Authors and Contributors
The Carbon Footprint extension was created by Bruno Woltzenlogel Paleo (@Ceilican) in 2011. In 2016, Chirac Arora (@heychirag), Kolya Opahle (@Kolpa) and Prateek Gupta (@PrateekGupta1509) joined the project as Google Summer of Code students.
If you have any question, feature request or bug report, please contact us.