Nearly One Million Urban Trees Vanish Across Germany, Environmental Group Reports

German environmental group Deutsche Umwelthilfe (DUH) reports a stark decline in urban trees, with nearly one million disappearing across the country. The organization's findings are based on an analysis of 195 cities, revealing a concerning trend in urban green spaces.

Particularly critical is the situation in Offenburg and Mannheim, identified as "heat hotspots" due to insufficient tree cover. In contrast, only Kiel and Wuppertal received positive mentions for their efforts in maintaining urban greenery. Overall, the report paints a grim picture: 149 cities were given a "yellow card," indicating poor performance, and only seven municipalities met the scientifically recommended benchmark of 30% tree cover, a standard met by cities like Hamburg and Berlin.

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City trees can lower temperatures on sidewalks by up to twelve degrees Celsius.

The DUH highlights the severe health consequences of rising urban heat, noting that city trees can reduce temperatures on sidewalks by up to twelve degrees Celsius. With increasing heat-related deaths, the organization urges for mandatory regulations to increase urban green spaces in new construction and renovation projects. They also criticize the federal government for not sufficiently integrating heat protection into urban planning, especially around sensitive areas like kindergartens, schools, and hospitals, warning of increasingly hostile urban environments.

As a guideline, the DUH recommends the "3-30-300" rule: at least three trees should be visible from every home, the surrounding area should have 30% tree cover, and the nearest green space should be no more than 300 meters away.

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Heat protection must be more strongly anchored in urban planning, for example in the vicinity of daycare centers, schools, and hospitals.