inaturalist
Detecting Invasive Species Early Through Citizen Science
Community science platforms like eBird and iNaturalist enhance early detection of invasive species, complementing professional surveillance and highlighting the need for stronger collaboration between the public and official authorities.
Explore Urban Biodiversity: Join the 2025 City Nature Challenge
The City Nature Challenge invites people worldwide to document urban biodiversity by photographing and sharing wild plants and animals through the iNaturalist app, helping scientists track and understand real-time changes in ecosystems.
FREE Course: Walkable City 1: Why Walkability?
After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.
Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold
The course focuses on the opportunities and imperatives that shape reinvention of mall sites.
City of Rosemead
Rutgers University, Edward J. Bloustein School of Planning and Public Policy
One Hundred Miles
Hunter College, City University of New York (CUNY)
The Architects Foundation
University of Cincinnati Online
City of Cambridge
Montrose County
The Pocatello Development Authority