Efforts to restore and establish global forest coverage have many benefits on a chemical, social and biological level.
Planting new trees can help to reduce the concentration of CO2 in the atmosphere. Greenhouse gases like carbon dioxide and methane significantly contribute to a changing climate. Forest are an effective, natural carbon sink, soaking up much of the carbon emitted from burning fossil fuels. Reversing global deforestation is a key element of an effective mitigation strategy to fight global warming.