In such a market as it is now, it is very difficult to promote such a project based on ecology. It is of course very noble and important. The topic is really very important, but it seems to me that you have chosen a not very good time. Although it is necessary to try, the more I see, there is much interest in ...
I will now tell you a story that will be the answer to your question (opinion)
Today I met a friend who deals with CPA traffic. And he told me how he attracts traffic to ICO. He says that it is important to properly use various sources of traffic. It is the secret in this. There are quite a few advertising sites. For example, Baidu or Yahoo, which did not ban ICO advertising. Not to mention social networks, (Not Facebook, not Twitter are completely different). So the results of his clients, just crazy. I think he is not lying, his clients really collect the necessary amount. Therefore, this project can also have such a good life, the main thing is advertising and honesty of developers.