Ecology

Help Stop the Beetle Killing Southern California’s Oak Trees
Claifornia residents can join a volunteer “blitz” this June to help detect and map infestations of an invasive beetle that is killing thousands of oak trees across Southern California.

Where the Wild Things Cross
Wildlife-vehicle collisions cost Americans over $8 billion annually. The solution can be simple — and stunning.

New Trail Project Enhances Safety and Access to Rocky Flats National Wildlife Refuge
Jefferson County is improving safe access to Rocky Flats National Wildlife Refuge with new trails, a bridge, and signage, as part of the Rocky Mountain Greenway project, ensuring environmental safety and educating visitors about the site’s history.

Lakewood Celebrates Arbor Day and Strengthens Urban Forestry Legacy
Lakewood celebrated Arbor Day and its 43rd year as a Tree City USA community with a youth-led tree planting event at O’Kane Park, reinforcing its long-standing commitment to urban forestry and environmental education.

Wildlife Rebounds After the Eaton Fire
Following the devastation of the Eaton Fire, the return of wildlife and the regrowth of native plants are offering powerful signs of resilience and renewal.

Tackling Soil Contamination With Nature-Based Solutions
Los Angeles County residents and experts are turning to nature-based methods like bioremediation to address long-standing and fire-exacerbated soil contamination without resorting to costly and disruptive removal.

Study: How Urban Parks Can Support Biodiversity
Conservation and recreation can go hand in hand in urban green spaces designed to serve both humans and local wildlife.

BLM To Rescind Public Lands Rule
The change will downgrade conservation, once again putting federal land at risk for mining and other extractive uses.

San Diego County Sees a Rise in Urban Coyotes
San Diego County experiences a rise in urban coyotes, as sightings become prevalent throughout its urban neighbourhoods and surrounding areas.

How Community Science Connects People, Parks, and Biodiversity
Community science engages people of all backgrounds in documenting local biodiversity, strengthening connections to nature, and contributing to global efforts like the City Nature Challenge to build a more inclusive and resilient future.

Rethinking Wildfire Defense: How a Landscape Approach Can Protect Neighborhoods
Post-fire analysis of the Eaton Fire reveals that a landscape approach — including fire-resistant vegetation, home hardening, and strategic planning — can help reduce wildfire risk, challenging assumptions that trees and plants are primary fire hazards.

Harnessing the Power of Fungi for Environmental Cleanup
Mycoremediation — the use of fungi to break down or absorb environmental pollutants — offers a promising, cost-effective, and eco-friendly alternative to conventional methods for restoring contaminated sites.

How Protecting Kauaʻi’s Forests Safeguards Fresh Water
A University of Hawaiʻi study shows that protecting Kauaʻi’s native forests from invasive species significantly boosts groundwater recharge, making it a cost-effective strategy to secure fresh water and enhance climate resilience.

Climate Gardening: Cultivating Resilient Landscapes in Los Angeles
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.

California Lawmakers Move to Protect Waterways
Anticipating that the Trump EPA will reinstate a 2017 policy that excluded seasonal wetlands and waterways from environmental protections.

Embracing Spring: Ways to Reconnect With Nature and Find Joy
This spring, reconnect with nature and enhance your well-being through simple activities like observing plants up close, practicing forest bathing, birdwatching, arranging flowers, and starting a container garden.

City Nature Challenge: Explore, Document, and Protect Urban Biodiversity
The City Nature Challenge is a global community science event where participants use the iNaturalist app to document urban biodiversity, contributing valuable data to support conservation and scientific research.

Preserving Altadena’s Trees: A Community Effort to Save a Fire-Damaged Landscape
In the wake of the Eaton Fire, Altadena Green is working to preserve fire-damaged but recoverable trees, advocating for better assessment processes, educating homeowners, and protecting the community’s urban canopy from unnecessary removal.

Purple Martins Call Nashville Home. Some Wish They Wouldn't
Each year, the city plays host to hundreds of thousands of birds on their way to and from South America.

Resilient Communities, Healthy Ecosystems: A Balanced Approach to Wildfires
Effective wildfire mitigation in California requires a holistic approach that goes beyond large-scale vegetation removal, emphasizing home hardening, defensible space, strategic planning, and reducing human-caused ignitions.
Pagination
Urban Design for Planners 1: Software Tools
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.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Smith Gee Studio
City of Charlotte
City of Camden Redevelopment Agency
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
US High Speed Rail Association
City of Camden Redevelopment Agency
Municipality of Princeton (NJ)