The Forest Stewardship Council PEFC
FSC is a global, not-for-profit organisation dedicated to the promotion of responsible forest management worldwide. PEFC is the world's largest forest certification system.  
They enable businesses and consumers to make informed choices about the forest products they buy, and create positive change by engaging the power of market dynamics. Their credible standards seek to transform the way forests are managed globally – and locally - to ensure that all of us can enjoy the environmental, social and economic benefits that forests offer.