What quality of environment do we want?
D000220:Adaptation, Biological; D000222:Adaptation, Physiological; D000223:Adaptation, Psychological; D000367:Age Factors; D000397:Air Pollution / Q000517:prevention & control; D001108:Architecture; D001519:Behavior; D002958:City Planning; D004735:Energy Transfer; D004777:Environment; D004782:Environmental Health; D006801:Humans; D007360:Intelligence; D007858:Learning; D009038:Motion; D010684:Philosophy; D013672:Technology; D013690:Television; D014876:Water Pollution / Q000517:prevention & control