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urban forest (subgroup of forest) → CapableOf → improve air quality	0.59
measure → CapableOf → improve air quality	0.58
plant → CapableOf → improve air quality	0.49
city → CapableOf → improve air quality	0.39
mayor → CapableOf → improve air quality	0.37
plan → CapableOf → improve air quality	0.36
regulation → CapableOf → improve air quality	0.34
filter → CapableOf → improve air quality	0.33
tree → CapableOf → improve air quality	0.33
truck → CapableOf → improve air quality	0.33
vegetation → CapableOf → improve air quality	0.29
investment → CapableOf → improve air quality	0.28
ethanol → CapableOf → improve air quality	0.26
forest → CapableOf → improve air quality	0.26
cycling → CapableOf → improve air quality	0.26
natural gas → CapableOf → improve air quality	0.25
wetland → CapableOf → improve air quality	0.24
improvement → CapableOf → improve air quality	0.24
port → CapableOf → improve air quality	0.22
insight → CapableOf → improve air quality	0.21
lawn → CapableOf → improve air quality	0.20
planting → CapableOf → improve air quality	0.20
zone → CapableOf → improve air quality	0.19
heat pump → CapableOf → improve air quality	0.19
incentive → CapableOf → improve air quality	0.16
transportation → CapableOf → improve air quality	0.16