More greenery in a city, spread through streets and over roofs, means more cooling as water evaporates from leaves; the bits which are not green can be painted white, to reflect sunlight.
城市街道上，房顶上的绿色植物更多了，这意味着随着水分从叶片上蒸发，会带来更多的清凉；非绿色部分可以涂成白色用以反射太阳光。
More greenery in a city, spread through streets and over roofs, means more cooling as water evaporates from leaves; the bits which are not green can be painted white, to reflect sunlight.
城市街道上，房顶上的绿色植物更多了，这意味着随着水分从叶片上蒸发，会带来更多的清凉；非绿色部分可以涂成白色用以反射太阳光。
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