This site will show you how much land is certified to the Sustainable Forestry Initiative Standard, which companies have achieved SFI certification to their forestlands, the species found on their certified forest, how long they have been certified and which certification body conducted the audit.
Canada52 SFI Forests totalling 36,427,586 hectares (90,011,331 acres)USA158 SFI Forests totalling 22,153,503 hectares (54,740,555 acres)