Frederic Roure, founding President of French company Geochanvre, poses with fibers made from hemp at his plant in Lezinnes, France, September 10, 2020. n a factory in rural France, a laser cuts through a hemp canvas on the production line of what the manufacturer says is Europe's first compostable face mask. REUTERS/Charles Platiau

Frederic Roure, founding President of French company Geochanvre, and his marketing officer Sandrine Boudier check pieces of fiber canvas made from hemp to make compostable face masks at French company Geochanvre in Lezinnes, France, September 10, 2020. Geochanvre pitches the hemp masks as a way to reduce plastic waste during the coronavirus pandemic from single-use protective gear that environmentalists say will take centuries to decompose and is polluting the oceans. REUTERS/Charles Platiau

A worker manipulates pieces of fiber canvas made from hemp to make compostable face masks at French company Geochanvre in Lezinnes, France, September 10, 2020. The mask's lining includes a corn blend for comfort and the elastic band is recyclable. REUTERS/Charles Platiau

A worker manipulates pieces of fiber canvas made from hemp to make compostable face masks at French company Geochanvre in Lezinnes, France, September 10, 2020. REUTERS/Charles Platiau

Frederic Roure, founding President of French company Geochanvre, passes by hemp bales stored at his plant at Lezinnes, France, September 10, 2020. REUTERS/Charles Platiau

Frederic Roure, founding President of French company Geochanvre poses in a field of hemp at Argenteuil-sur-Armancon, France, September 10, 2020. REUTERS/Charles Platiaiu