Exploring a Just and Diverse Urban Forests’ Capacity for Mitigating Future Mean Radiant Temperatures
The Pittsburgh Metropolitan Region in Western Pennsylvania, U.S., like many cities globally, historically has an inequitably distributed urban forest and faced street tree biodiversity challenges. Additionally, Pittsburgh faces several barriers and threats to maintaining and expanding its urban tree cover, including pests, diseases, social acceptance, built environment obstacles, and climate change. To address these concerns, in 2012, Pittsburgh created an Urban Forest Master Plan setting equitable forest cover and biodiversity benchmarks. This paper documents the status of achieving these benchmarks and uses microclimate simulations to assess the capacity of these benchmarks in mitigating future mean radiant temperatures. Results demonstrate that the story of Pittsburgh’s urban forest cover, street tree biodiversity, and age diversity is complex, but inequities are primarily driven by income. However, if Pittsburgh can achieve its forest cover benchmarks, it can reduce its neighbourhoods’ 2050 mean radiant temperature below 2010 temperatures, even under climate change-fuelled extreme heat events. The process and results reported in this paper allow designers and decision-makers to calibrate localized urban forest benchmarks more effectively based on various future scenarios while ensuring the equitable distribution of heat mitigation.
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Work Title | Exploring a Just and Diverse Urban Forests’ Capacity for Mitigating Future Mean Radiant Temperatures |
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License | Public Domain Mark 1.0 |
Work Type | Article |
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Publication Date | September 2024 |
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Deposited | September 03, 2024 |
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