There are millions of people out there who firmly believe in global warming and are committed to doing their part to reverse it. So we set out to provide a tool that puts fighting climate change into the hands of everyday people. From giving tips and creating actions that reduce your personal CO₂ footprint and keep track of your progress…to updating you on the climate change news from around the world…to offering you ways to make your voice heard to lawmakers and elected representatives…to providing you with the means to do the simple but meaningful task of giving the gift of a tree — Greenie is the must-have mobile app if you believe in fighting climate change.