"Figure 30: Edinburgh city region observed the greatest cooling effect as the region has the greatest amount of woodland relative to the size of the urban area","" "Average annual cooling effect of green space and blue space in each of Great Britain’s city regions (degrees Celsius), 2013 to 2017","" "","" "Notes","" "Unit","Degrees Celcius" "","" "City Region","Woodland","Parks or grass","Gardens","Rivers or canals" "Cardiff","0.23","0.20","0.26","0.01" "Edinburgh","0.39","0.24","0.24","0.01" "Glasgow","0.32","0.22","0.24","0.02" "Greater Manchester","0.24","0.27","0.22","0.01" "Liverpool","0.15","0.19","0.28","0.01" "London","0.25","0.21","0.24","0.02" "North East","0.17","0.22","0.25","0.02" "Sheffield","0.23","0.20","0.29","0.01" "West Midlands","0.21","0.21","0.28","0.01" "West of England","0.19","0.19","0.29","0.01" "West Yorkshire","0.28","0.32","0.22","0.01"