Citywide Natural Resource Inventory 
The Natural Resources Inventory (NRI) was adopted as a Background Report and Factual Basis for the Comprehensive Plan Update.

Portland Plant List
The Portland Plant List is a user-friendly guide to native and nuisance plants in Portland and the metropolitan region. The document is used to guide revegetation in environmentally sensitive areas and eradication of nuisance plants.

Salmon-Safe City
In 2017, the City of Portland received certification as a Salmon-Safe City from Salmon-Safe Inc. to protect watersheds and help salmon recovery through improved city operations and land management practices.

Airport Futures
Airport Futures is a comprehensive planning effort for the Portland International Airport and surrounding development. The Natural Resources Inventory and environmental overlay zone maps and regulations were updated as part of the plan.

Invasive Plant Regulatory Improvement Project
The Invasive Plant Policy Review and Regulatory Improvement Project is updated to improve the City’s policies, regulations and procedures related to management of invasive plants.

City Tree Regulations
Overhaul of the City’s regulations related to management of the urban forest. The result is a consistent, cohesive framework for Portland’s trees that will enhance the canopy over time.

Title 13 Compliance
The Environmental Planning Program is leading the development of the City of Portland’s program package to comply with Metro Title 13, Nature in Neighborhoods, which includes a diverse mix of regulatory and nonregulatory programs to protect, conserve and restore important natural resources in the city.

Resource Guide for Bird-friendly Building Design 
The City is partnering with the U.S. Fish and Wildlife Service and the Audubon Society of Portland to produce and build community awareness about bird-to-building collisions and develop a new resource guide for architects, designers, developers and builders.