What is killing urban trees?

Despite planting drives, urban tree cover across the US fell by about 36 million trees per year between 2009 and 2014. Between the trees, she makes a "soil conduit" - a strip of loosened soil that should make it easier for the roots of both trees to spread. Avoid contaminating soil around trees and keep tree pits free of rubbish. Features IF YOU have ever walked down a tree-lined street on a hot day, you know the value of urban trees. [Extracted from the article]