From Madrid to Berlin and Paris to Budapest, scientists and planners agree, trees, trees and yet more trees can help make Europe’s cities more comfortable – even survivable – over the coming years, as global heating strengthens its grip.
But concrete pavements, high-rise buildings, historical squares and underground car parks are a hostile environment for trees, and authorities are finding it hard to plant more. In fact, many EU cities are less green than they were a century ago.
