Related by context. Frequent words. (Click for all words.) 55 bark beetle infestation 55 pine beetle infestation 54 beetle infestation 51 mountain pine beetles 51 bark beetle 50 wildfires 50 prolonged drought 50 pine beetles 50 prolonged droughts 50 forest fires 49 bark beetles 48 mountain pine beetle 48 lodgepole pine 48 lodgepole pines 47 catastrophic wildfires 47 lodgepole 47 pine beetle 47 Angora Fire 46 ponderosa pines 46 melting glacier 46 blowdown 46 wildfire 46 pine forests 45 buffelgrass 45 forests 45 clearcuts 45 droughts 45 wildland fires 45 drought 45 tinder dry brush 44 aspen trees 44 Angora fire 44 warmer drier 44 amphibian populations 44 Entire towns 44 winterkill 44 Severe drought 44 saltcedar 44 boreal forests 44 melting snowpack 44 snowpacks 44 whirling disease 44 devastation 44 aspen 44 peat bog fires 44 locust invasion 43 Manzano Mountains 43 vegetation 43 overfishing pollution 43 sequoias 43 floods 43 glacial retreat 43 barrens 43 fireweed 43 retreating glaciers 43 sugar beet crop 43 Warming temperatures 43 biodiversity hotspots 43 Dust Bowl 42 wildfires raged 42 Mountain Pine Beetle 42 peat bogs 42 acorn crop 42 ponderosa 42 gypsy moth caterpillars 42 fertile valleys 42 Severe flooding 42 Zaca Fire 42 inundations 42 adelgids 42 sugar maples 42 aridity 42 raging wildfires 42 species extinctions 42 aspens 42 oak woodlands 42 mountain snowpack 41 locust plague 41 sagebrush habitat 41 brushfires 41 stratospheric ozone layer 41 phylloxera 41 Gypsy moths 41 Droughts 41 Snowmelt 41 headwater streams 41 grassland habitat 41 Prescribed burns 41 soybean aphid 41 Flu pandemic 41 Jesusita Fire 41 cholera outbreaks 41 Summerhaven 41 fungal disease 41 sagebrush 41 hardwood forests 41 drought parched 41 adelgid 41 overgrazing 41 forest ecosystems 41 insect infestations