TreePeople’s 4th Annual Urban Soil Symposium explored how climate gardening, soil health, and collaborative land management strategies can enhance urban resilience in the face of climate change.
The 4th Annual Los Angeles Urban Soil Symposium, hosted by TreePeople on March 7, 2025, brought together over 130 environmental practitioners to explore how landscapes can be reimagined in the face of climate change. Centered on the theme of Climate Gardening, the symposium examined the intersection of ecology, community, and land management. Discussions focused on how native plants, fungi, and green infrastructure can build resilience, particularly in areas impacted by events like the recent LA fires.
The event emphasized collaboration over conventional presentations, fostering connections between researchers, policymakers, and nonprofit leaders. Attendees explored TreePeople’s urban soils research and viewed informative posters from a variety of contributors. Examples of presentations included UCLA’s Kirsten Schwarz on democratizing soil testing post-wildfires and TreePeople’s own team advocating for circular soil systems that repurpose construction sediment into healthy, usable soil.
Beyond the science, the symposium encouraged attendees to reflect on their personal and philosophical approaches to land stewardship. An interactive art installation, The Mosaic Machine, prompted participants to consider how traditional, modern, ecological, or agrarian landscaping choices affect local watersheds. The momentum and ideas sparked at this year’s symposium suggest a promising path forward—where Climate Gardening helps reshape LA’s urban fabric into one that’s greener, healthier, and more adaptive to the changing climate.
FULL STORY: 4th Annual Urban Soil Symposium Digs Into Climate Gardening
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
The state-sanctioned urbicide of Austin
People don’t kill cities. Freeways do.
US to reduce Colorado River water deliveries to Mexico
A new Colorado Treaty amendment reduces Mexico’s Colorado River water allocation by 250,000 acre feet.
Baltimore to break ground on $50 million Transit Priority Project
The project will bring faster bus trips, safer streets and better bike connections to Baltimore.
Airbnb launches $250 million 'last-dollar financing' housing accelerator, makes first investment in Austin
The company will put $6.4 million towards affordable housing development in Texas’ capital.
Guerilla urbanists are building DIY bus stop benches in Chicago
A before-and-after of one of the bus stops with a new bench. The new benches are not officially sanctioned or permitted, but the residents who placed them hope they will be the start of a network of DIY benches across the city.
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.
Eagle County Government
Harvard University Graduate School of Design
Nashville Planning Department
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello
Journal of the American Planning Association