Yes, it can be done, and it will. Rome wasn't built in a day. This will take years, but the first step is already underfoot. Others have come before us.
J. Russell Smith first published Tree Crops: A Permanent Agriculture in 1929. It has been edited and reprinted several times since, a favorite of the agrarian underground. Wendell Berry and other celebrated authors have praised the Tree Crops message for over 80 years. It's heartwarming to know that the idea of perennial agriculture is finally becoming mainstream with recent works like Restoration Agriculture and The Resilient Farm and Homestead. The concepts in Tree Crops will change how Earth looks from space.
Here's a link to a free PDF version so you can read it yourself: