replanting, foresting, revegetate, riparian forest, shortleaf pine, virgin forest, longleaf pine, soil erosion, deforested, greening, conserving, regrowing, replanted, beautifying, garry oak, blister rust, reed canary grass, marram grass, prosopis juliflora, eastern ghats, cork oak, overgrazed, disking, planting, mulching, loblolly pine, tilling, crown vetch, eastern hemlock, yellow poplar, felling, rehabilitating, jack pine, cypress pine, sericea lespedeza, logging, lodgepole pine, western larch, sprigging, limber pine, vegetated, holm oak, regenerating, matto grosso, subalpine fir, coppiced, prairie cordgrass, hevea brasiliensis, seedling, strawberry guava, artemisia annua, physic nut, harvesting, orange hawkweed, nitrogen fixation, bush honeysuckle, western ghats, spruce bark beetle, cedar elm, upland, quaking aspen, lyme grass, dawn redwood, globe mallow, concolor, buffel grass, denuded, northern mariana islands, port orford cedar, sugar cane, scotch broom, pinon pine, butternut tree, preserving, revitalizing, chestnut oak, discing, cordifolia, sierra morena, pampas grass, excavating, hackberries, woolly adelgid, bulldozing, douglas fir, pollarded, overgrowing, bristlecone pine, uprooting, urbanise, arundo donax, shea tree, reconstructing, siberian elm, hoary cress, despoiling, irrigating, prairie grass, phragmites, bark beetle, sequoia sempervirens, tansy ragwort