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Glendale commissioners hear warnin gs on "Zone 0" rules that could reshape urban tree canopy
Summary
A sustainability commission presentation outlined trade-offs in California's "Zone 0" ember-resistance regulations, warning that strict interpretations could require removing vegetation near homes, raise homeowner costs, affect insurance and threaten parts of Glendale's canopy; commissioners asked staff to track the regulation and related legislation.
Stephanie Landrigan, a landscape architect and director of Altadena Green, told the Glendale Sustainability Commission on Feb. 5 that California's "Zone 0" ember-resistance regulation is moving from statute into the Board of Forestry's regulation process and could have substantial local impacts if enacted strictly.
Landrigan said Zone 0 began as ember-resistant legislation authored in 2020 by Assemblymember Laura Friedman and is now being framed into regulation by the Board of Forestry. She described three options under discussion: a strict no-vegetation approach in the immediate perimeter of structures; a regime allowing well-maintained trees with required trimming (for example, lifting canopies five feet from roofs and 10 feet from chimneys); and…
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