Rising temperatures, more intense and longer periods of drought: as the climate changes, the climate poses an ever greater threat to trees.
Especially in cities.
An article published on September 19 in the journal
Nature Climate Change
draws up this alarming constant
:
on average, 70% to 76% of tree species growing in cities will be threatened in 2050 compared to 56% to 65% currently.
This is the
“first global analysis of risks to urban forests from climate change”
, assures Manuel Esperon-Rodriguez, researcher at the Hawkesbury Institute for the Environment, University of Western Sydney (Australia), first author of this analysis which covers 3,129 species of trees and shrubs observed in 164 cities in 78 countries.
In January, the same researcher conducted a project with scientists from 14 countries on the state of knowledge of trees in cities.
“We couldn't find any long-term studies on the change…
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