urban agriculture

Both demographic and evolutionary processes are highly complex in urban forests that contain varying proportions of planted and naturally dispersed and regenerated trees (Nowak, 2012). Therefore, urban greening strategies must account for both spatial and temporal dynamics of planted urban trees and urban forest patches in defining planting strategies and management targets.

The Benefits and Limits of Urban Tree Planting for Environmental and Human Health

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Overall, we conclude that is difficult to significantly offset urban GHG and atmospheric pollution with localized tree planting, given the magnitude of emissions in modern cities. However, trees have localized effects on climate, thermal comfort, human health, and habitat for other species that may be impactful at the site scale.

Rethinking Maintenance of Urban Trees | DeepRoot Blog

Where this is feasible, cost effective relative to other land use priorities, and implemented with resources to maintain tree planting over decadal timescales, extensive urban forests have observable environmental and social benefits. However, cities have competing demands for space that include pressing human needs for affordable housing, renewable energy generation, and food production, among other uses. Nevertheless, we suggest that even small-scale and temporary tree planting may have specific benefits