The National Hardwood Lumber Association offers members a Sustainability Verification Certificate to help answer questions regarding the sustainability of North American hardwoods.

Produced in collaboration with the American Hardwood Export Council (AHEC), this letter is designed to be given to your customers as documentation of North American hardwood sustainability. It shows that NHLA and its members are committed to the sustainability, education, and advocacy of North American Hardwoods.

The sustainability of North American hardwoods has been documented and supported by several scientific and academic reports and independent and government agencies.  This is what the seal looks like: