New report tackles a pollution puzzle: while other pollutants drop on weekends, smog-causing ozone levels actually increase over the weekend in certain parts of California.
In the Los Angeles area, ozone levels typically are 32 percent higher on Saturdays and Sundays than they are Monday through Friday when freeways are clogged with commuters. The difference is 25percent in San Francisco. The phenomenon in Los Angeles and San Francisco, first noticed in the 1980s, has four possible explanations, according to the report.
Thanks to Abhijeet Chavan
FULL STORY: Report cites several reasons for weekend smog increase
European Cities Act on Density
The sprawling mass of suburbia has been a disaster for the environment. But now smaller, denser cities herald a renaissance in city living.
Nashville Sets Downtown Parking Maximums
Nashville is the latest city to enact a substantive change to the parking requirements set by the city’s zoning code—doing away with parking minimums and setting parking maximums in the city’s Urban Zoning Overlay.
Houston Development Aims to Create Hyper-Walkable, Micro-Living Neighborhood
The 17-acre Second Ward project has spurred both optimism for a more walkable city and concerns about displacement and gentrification.
Lyft Pulls Micromobility From Los Angeles Area
The company will no longer provide shared bikes and scooters in the L.A. region, citing a ‘lack of longterm commitment’ from cities.
King County Water Treatment Station Set to Open
The facility is part of a plan to protect the Duwamish River from polluted runoff from overflowing sewer pipes.
Proposed Park Yet Another Hurdle for Houston Interstate Expansion
The Interstate 45 widening project, halted by a federal order and opposed by many local officials and organizations, could hit a new snag if White Oak Bayou becomes a city park.
Rural Innovation Strategies, Inc
M-Group
M-Group
Chaddick Institute at DePaul University
HUD's Office of Policy Development and Research
Georgia Tech
Missoula Redevelopment Agency
City of Joliet
City of Crystal River
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