The price of alcoins depends to much from the price of Bitcoin and from conditions of crytpocurrency market. There are projects such
https://tupan.io/ for example with SEC registration which do not depend too much from the conditions of cryptocurrency industry. Tupan has a lend area in Amazonian forests and develop this lands earning money in forestry industry and helping to protect Amazonian forests.
It is good that now blockchain can be used in different spheres not only in cryptocurrency. Forest industry is profitable now and the price of wood growth. Also it is important to protect a nature.