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, ...

Landfill odor: Health problems, but no elevated cancer risk

Missouri's health department on Thursday announced findings of a lengthy examination of the troubled Bridgeton Landfill in suburban St. Louis, determining that the foul odor emitting from the landfill created health problems ...

ESA makes ground motion data freely accessible

Any movement beneath our feet—from barely perceptible subsidence to the sudden appearance of a sinkhole or a crashing landslide—spells big trouble. Even relatively modest subsidence can weaken buildings and infrastructure ...

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