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 ...
If a startup is interesting, then in such a market it can collect the required amount.
I personally, while I take part in the bounty, and will watch from the side as you collect money.
Everybody sees perfectly well that the market is not in the best condition right now, but in spite of even this, people who like the project will still invest there