Do not forget that the project may not do anything fundamentally new. It happens often. Just in case, take into account this situation
It is obvious that the project does not give anything new, which can strongly distinguish it from other ICOs on ecology. A small feature that I noticed was that they could unite several other companies in this field. And perhaps that's all.
Personally I have not met any other project in a field of ecology and its protection. But GreenCoin is rather perspective due it special features