Or buy some land and leave it alone, let nature do it's thing. Sadly this is not possible as in most places there is legislation in place that prevents you from "mismanaging" land like this.
I'm thinking about doing something like this, but it involves work. I'm going to find native species, maybe focusing on some insect that's in decline, find it's nursery/food plants and fill an area with them, along with any other plants and fungi that have symbiotic relationships with them. Then apply for a grant that specifically targets the threatened species. That way, it's official. It's a ton of work though.
I think it is more fun and fulfilling to attempt to do something with the land - to make it useful towards the local community, than leaving it to nature to just fill the land. For instance, if you make a small pond, you could suddenly have a very interesting ecosystem in this land
I just realized how much I'd like to see a website summarizing legislation for various countries in the world, and venues into purchasing land for the respective locations. I want a hometurf.eco :)
