How to use RVM machines to earn ECOTERRA? RVM machines also known as Reverse Vending Machines are playing a huge role in the way Ecoterra works towards Carbon offsetting. These machines are currently available in more than 10,000 different locations around the world. If you are someone who wishes to make a contribution to reducing global warming, then you can use these machines to recycle different products including PET, glass, green energy packages, and aluminum. https://sites.google.com/ecoteraio.com/ecoterra/home