Children who live on tree-lined streets have lower rates of asthma, a New York-based study suggests, finding that asthma rates among young children fell by 25% for every extra 343 trees per square kilometre. (BBC Health News )
Children who live on tree-lined streets have lower rates of asthma, a New York-based study suggests, finding that asthma rates among young children fell by 25% for every extra 343 trees per square kilometre. (BBC Health News )