Science

Urban street trees lose much of their capacity to cool during droughts

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 28/10/2026, 15:10:24 UTC.

Briefings

Research indicates that Mediterranean street trees significantly lose their cooling capacity during heat waves and droughts due to soil moisture limitations. This reduction in transpiration means trees fail to provide thermal relief to urban areas, potentially increasing heat island effects. The study was conducted in Mediterranean cities, though specific locations were not named in the source.

Key points

• Street trees in Mediterranean cities lose cooling capacity during heat waves and droughts due to soil moisture limitations.
• Reduced transpiration limits the thermal relief trees provide to urban areas during extreme heat events.

Context

Urban street trees rely on soil moisture to transpire and cool the air. In Mediterranean cities, this mechanism is compromised during heat waves and droughts, potentially increasing heat island effects.

Limitations

The source evidence is limited to Mediterranean cities and does not specify which cities were studied. The study was published in October 2026, and the specific dates of the heat waves or drought events are not provided.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 29/10/2026, 01:05:41 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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