Whether planting trees is good for natural environment or not is unclear, especially in urban areas. To provide water needed to grow them, it must consume a lot of energy. If the amount of energy exceeds that of energy loss caused by no green, it makes no sense to plant trees.
I wonder whether the assessment was carried out.
Diary of a rail fan in Kansai,Japan(Ver.2)
About world's rail news, general news, my train pictures, and travel diary)
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