animalecology civilization climaticchanges community conservation conservationofnaturalresources ecology effectofhumanbeingson endangeredspecies engineering environment environmentalconservation environmentaldegradation environmentallaw environmentallaw/policy/ecojustice environmentalmanagement environmentalpolicy environmentalsciences futurestudies globalenvironmentalchange graywolf greatlakes(northamerica) greatlakesregion(northamerica) history humansecurity landscapeecology nat011000 nature natureconservation overpopulation pol044000soc037000nat011000nat010000his039000tec052000 politicalscience protection publicpolicy socialaspects socialscience technology