While city planners have been encouraged to plant trees and gardens to green the city for the health of its inhabitants, recent research has found that the same trees can damage certain buildings.
Our research revealed that chemicals produced by certain species of plants and trees react with common air pollutants to create damaging chemicals that corrode building materials such as stone, concrete, and steel. Especially at risk are heritage buildings which are built of limestone or sandstone...........
This text is an excerpt of an article which was originally published on The Conversation. Read the full original article.
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