This year's bull market is more often bought by institutions from various countries. As the price of Bitcoin rises. More people know Bitcoin. The recent decline. Perhaps it was just the rise some time ago that caused the callback. Wait for the market to stabilize. It will rise again.
After the raise of the market there is a fall of the market. Correction is a normal part of the market.
But it is necessary to carefully check the altcoins before buying. To grow the price in the future token must be in demand.
There are ecological projects
https://moss.earth/blog/ - here is written how it is important to protect a nature.
Project must be useful for people to be in demand, I think that ecological projects are very useful.