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# Legnano's green network has a modeled benefit, not a delivered one
- URL: https://intelligence.wildlandseco.com/2026-10-31-legnano-green-network-runoff-heat-model/
- Published: 2026-10-31T13:19:25.000Z
- Updated: 2026-10-31T13:19:25.000Z
- Description: A peri-urban regeneration framework forecast less runoff and lower heat under proposed land-cover changes.
- Author: Benjamin Worlund
- Tags: landscape architecture, stormwater, urban heat, modeled outcomes, Cities, Water, Climate, #ecological-intelligence, #brief-2026-10-31, #global-radar, #peer-reviewed, #geo-europe

Evidence

Peer-reviewed

Geography

Legnano, Lombardy, Italy

System

Urban water-sensitive landscape design and scenario modeling

## WHAT THE EVIDENCE SAYS

Using SWMM stormwater and ENVI-met microclimate models with an urban green-factor index, researchers evaluated converting abandoned or degraded peri-urban land to connected permeable green space. Their modeled scenario reduced runoff volume by roughly 50%, lowered predicted heat by about 1–3°C and raised a green-factor indicator by 0.38.

## WHY IT MATTERS / OUR READ

Designers can test coupled water, heat and habitat objectives before construction. But a modeled scenario becomes credible ecological performance only after implementation monitoring and maintenance.

## CAVEATS / UNCERTAINTY

The benefits are model outputs under assumed site design and climatic conditions, not field-verified change. An index increment is not direct measurement of biodiversity gain, and local storm-event conditions may alter realized performance.

## SOURCE

Landscape and Ecological Engineering — 21 Oct 2026  
[View original evidence ↗](https://doi.org/10.1007/s11355-026-00763-z?ref=intelligence.wildlandseco.com)

From the Morning Brief · 2026-10-31

[Read the full Morning Brief →](https://intelligence.wildlandseco.com/morning-brief-2026-10-31/)