Ukrainian student Valentyn Frechka has created technology that makes it possible to produce cardboard from fallen leaves. The first industrial test batch of cardboard using this technology has already been produced at the Zhytomyr Cardboard Mill.
https://www.ukrinform.ua/rubric-technology/2853749-opale-lista-zamist-polietilenu-persi-uspihi.html
Student finds way to produce cardboard from fallen leaves
