Another interesting grass roots effort to restore biodiversity. In this case, its apples that are the subject. A single person, working on his own, has undertaken the effort to catalogue every species of apple:

I am sure everyone from individual gardeners to commercial farmers will thank him in the future.

There is information in the article if you'd like to visit some of the farms growing heirloom apples - or if you'd like to buy a tree of your own.