TY CONF TI THE ECONOMIC FEASIBILITY OF SWITCHING TO "GREEN" ENERGY KW green energy KW renewable energy sources KW sustainable development KW economic feasibility JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Zinoveva, I.S. AU Korotkaya, A.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov