Have you noticed street trees looking oddly sad? You're not alone. Normally, spring means fresh green leaves and flowers. But this year, the heat has come early, stressing some trees.
Plants & Animals
Oct 11, 2023
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Large areas of concrete and asphalt absorb and radiate heat, creating an "urban heat island effect." It puts cities at risk of overheating as they are several degrees warmer than surrounding areas.
Environment
Apr 10, 2024
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Extreme heat is now plaguing parts of the U.S., Europe, and Asia. A Virginia Tech expert explains what is making this one of the hottest summers on record.
Environment
Jul 20, 2023
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Australians are bracing for a hot spring and summer. The Bureau of Meteorology has finally declared El Niño is underway, making warmer and drier conditions more likely for large parts of the country. And we've just watched ...
Plants & Animals
Sep 25, 2023
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,City living appears to improve reproductive success for migratory tree swallows compared to breeding in more environmentally protected areas, a new five-year study suggests. But urban life comes with a big trade-off—health ...
Ecology
Nov 18, 2020
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When the summer sun blazes on a hot city street, our first reaction is to flee to a shady spot protected by a building or tree.
Environment
Jun 24, 2021
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One delight of flying is seeing our familiar landscapes in a new way from above. At low altitude most of us know where things are, but as we ascend it becomes difficult to determine the local details, and we begin to see ...
Environment
Jul 25, 2022
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I walked my kids to school recently through the pretty North East English village of East Boldon and saw a red cross on a beautiful old rowan tree. I thought it might be the diesel haze of nearby commuter traffic confusing ...
Ecology
Jan 23, 2019
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In São Paulo, Brazil's largest metropolis, the city center is considered a tree failure hotspot, with the largest proportion of failures in the city occurring in that area.
Plants & Animals
Mar 13, 2024
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What a tree needs to grow and how it affects its surroundings vary from species to species. This makes it increasingly important for cities to adapt the urban tree cover to local conditions.
Environment
Aug 6, 2024
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