How to use RVM machines to earn ECOTERRA? Reverse vending machines, sometimes referred to as RVM machines, are a key component of Ecoterra's strategy for carbon offsetting. There are already more than 10,000 distinct locations where these machines can be found. You can use these machines to recycle various products, such as PET, glass, green energy packages, and aluminium, if you want to contribute to the effort to reduce global warming. https://sites.google.com/ecoteraio.com/ecoterra/home