An important component of policy to achieve global ecological sustainability will be restoring terrestrial ecosystems. Restoration ecology goes beyond plantation reforestation, seeking to reconstruct native communities of trees - indeed constructing a new forest modeled on what occurred there historically. The problem has been that restoration ecology efforts are usually small, token efforts that achieve little in regards to appreciably conserving and restoring regional ecosystems and biodiversity. One of the best examples of large scale ecological restoration of large forested landscapes of which I am familiar is taking place in Scotland, where more than seven million trees could be planted during an initiative to regenerate Scotland's native woodland. The Earth's biosphere is in a state of overshoot, meaning more ecosystems have been lost than the Planet can bear. Humanity must swiftly ramp up efforts to identify and restore ecosystems that are optimally placed for the most ecological benefit.