Wren - Offset your carbon footprint by saving rainforests
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Offset My Ride - Offset your 2016 Uber and Lyft rides with Carbon Credits
Clever - syncing between education applications for K-12 schools
Klima - Go carbon neutral
Claroline - Claroline is a collaborative eLearning and eWorking platform.