International Union for Conservation of Nature
A New Study Asserts the Importance of Urban Trees in Conservation Efforts
Data collected from 13 million tree planting records in 473 urban areas across 73 countries provides insight into the role of urban trees in biodiversity conservation.
Land Use Patterns Connected to Biodiversity Crisis
As many as 1 million species are at risk of extinction if the world, including planning professionals and politicians, doesn't make big changes.
HUD's Office of Policy Development and Research
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.