Tern is a carbon footprint tracker for green commuting to the workplace. It automatically detects when you cycle, walk or run to work using the sensors in your phone and tells you how much CO2 you've saved compared to driving.

View your progress and contribution in real time against others in your workplace, industry and city, including CO2 saved, trees equivalent and distance traveled.

Lets fight climate change with a bicycle and a pair of trainers, download and create your profile now, it's free!