The global mixing of plants and animals now going on could be a major channel for unplanned environmental change.
"The ecological alterations that an aggressive alien may bring vary. It can co-opt soil microbes to enhance its growth. It can deny native animals their natural food and shelter. It can create a new wildfire hazard as alien grasses are doing in some North American deserts. New research shows it can even help a new insect species to emerge."{
Thanks to Chris Steins
Read the full story: An alien invader spawns a species
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
Colorado’s Largest Data Center Could Rise Next to Homes — Without a Public Hearing
The proposed campus would consume 11 times the power of Denver International Airport; as it has across the country, opposition mounts.
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.
'This is going to be painful:’ Virginia stares down $1.7 billion funding gap for highway maintenance
The state may address the deficit by shifting $290 million from its construction budget to maintenance projects.
Judges permit Denver to divert 77,000 acre feet from the Colorado River for reservoir expansion
Overuse and climate change have caused the Colorado River’s water levels to plummet.
Amtrak, CN end decades-long dispute with eight-year agreement
The new operating agreement establishes an updated framework for the companies to work together, including processes to resolve disputes.
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.
KFH Group Inc.
Greater Baltimore Committee
Eagle County Government
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello