Forestation is either growing existing forests ( proforestation) or establishing

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

growth on areas that either had forest or lacked it naturally. In the first case, the process is called

reforestation Reforestation (occasionally, reafforestation) is the natural or intentional restocking of existing forests and woodlands ( forestation) that have been depleted, usually through deforestation, but also after clearcutting. Management A de ...

, or reafforestation while the second is called

afforestation Afforestation is the establishment of a forest or stand of trees ( forestation) in an area where there was no previous tree cover. Many government and non-governmental organizations directly engage in afforestation programs to create forests ...

. Massive aforestation has been proposed as a method to mitigate climate change, though its effectiveness is limited by the albedo effect.

References

{{Forestry Forestry