Study finds less bird diversity in city forests

A new study led by Lund University in Sweden shows that cities negatively affect the diversity of birds. There are significantly fewer bird species in urban forests compared with forests in the countryside—even if the forest ...

Researchers study how urban trees affect environment

Everyone knows that trees provide shade. What may be less obvious are their contributions to evaporative cooling. Think of tree roots drawing water from the ground and pumping it to their leaves, which effectively sweat H2O, ...

Southwest Europe swelters as wildfires burn

Southwest Europe was baking under sweltering temperatures on Friday for a fifth day, with the heat sparking devastating wildfires, forcing the evacuations of thousands and ruining holidays.

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