Ключевые слова: abstract, alternative, background, bark, coniferous, cut, eco, ecology, energy, environment, environmental, fall, fir, firewood, foliage, forest, forestry, fuel, green, hardwood, heat, industry, landscape, log, lumber, material, natural, old, organic, outdoor, outdoors, paper, park, pile, pine, raw, recycled, rough, rural, scenery, stack, sun, timber, tree, trees, trunk, view, waste, wood, woodland,