There are 3952 million hectares of land covered in forest or 30% of the worlds land. However, every year 12.9 million hectares per year are being cut down.To reduce emissions, efforts are being made to increase the forested areas through the reduction of deforestation and through reforestation. Source Climate change 2007 Mitigation of Climate change, Working Group lll Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, (2007)