Reuters: Only one fifth of the world’s forests remain but an area bigger than Canada could be restored without harming food production, a global alliance dedicated to restoring forests said on Thursday. A study by the Global Partnership on Forest Landscape Restoration (GPFLR), which includes the WWF, Britain’s Forestry Commission and International Union for Conservation of Nature (IUCN), said a billion hectares of former forests, equivalent to six percent of the world’s total land area, could …