TY CONF TI WAYS OF USING LOW-QUALITY AND ILLIQUID WOOD IN THE RUSSIAN FOREST COMPLEX KW forest resources KW sustainable development KW waste management KW forest industry KW climate change JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Opara, M.V. AU Vragov, S.A. AU Kornienko, A.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov