regreen

verb

re·green | \ (ˌ)rē-ˈgrēn

variants: or re-green

regreened or re-greened; regreening or re-greening

Definition of regreen

: to make green again especially : to restore (barren, degraded, or deforested land) to a healthy ecological state by planting vegetation (such as trees, shrubs, grasses, or sustainable crops) often in conjunction with improvements in soil fertility and water retention … aims to re-green the concrete jungle and protect existing trees from the bulldozers of development. —Bill Lohmann The hope is that with the eventual regreening of the island the rare and endangered green parrot, almost wiped out on Norfolk … will be re-established on Philip. —Stuart Inder Tree planting has led to the re-greening of as much as 3 million hectares of land in Niger, enabling some 250,000 hectares to be farmed again. —Andy Coghlan regreening efforts a regreening program