Environment
Ways to Think About Sprawl—and to Critique It
What motivates sprawl? It's more than just automobile infrastructure.
Air Pollution Forces Italian Cities to Enact Serious Driving Restrictions
Unusually mild and dry weather in much of Italy has worsened air quality so much that city governments are acting to reduce emissions from one of the chief sources of air pollution by enacting odd-even license restrictions on driving.
Watch as the World Emits More and More Carbon
A French economist created a powerful visualization of the rise of carbon emission hot spots from a few locations in Europe to every developed and developing corner of the world.
CEQA Abuse 'Choking' Good Development, Study Finds
A study of CEQA litigation revealed widespread abuse that experts say undermines California's environmental sustainability goals.
Popularity of Electric Vehicles Threatens Viability of Bay Area's Express Lanes
The California DMV announced that the maximum of 85,000 Green Clean Air Vehicle Decals had been issued to plug-in hybrid electric vehicles, denying new Volt and plug-in Prius owners the coveted sticker allowing them free access to HOV and HOT lanes.
Leasing to Spur Growth in Small and Medium-Sized Wind Turbines
Can wind power gain the popularity of rooftop solar? A Brooklyn start-up is betting it can with the leasing of turbines, particularly to farmers and rural residents.
Unique Garbage Challenges in Juneau
Juneau, Alaska's tiny capital city, is not accessible from elsewhere by road. Its isolation makes waste disposal problematic and expensive, spurring an aggressive recycling effort.
Cities Lead the Way in Meeting Paris Climate Goals
To meet the U.N.’s global warming targets, city leadership is critical.
Jakarta's Titantic 25-Mile Seawall
Indonesia's capital, population 10 million, is slowly sinking below sea level. To protect itself and drive the economy, the city is building a 25-mile bird-shaped seawall, to be topped with luxury development.
Soaking-Up New York's Filthy Water With a Sponge Park
A 2,100 square foot park on the banks of New York City's Gowanus Canal is part of a plan to catch pollutants from storm off from draining into the already polluted waterway.
New Delhi Restricts Diesel Cars; Beijing Issues Second Red Alert
It took an act of the Supreme Court for India to address the incredibly unhealthy levels of particulate matter in New Delhi. New rules are aimed at diesel cars, SUVs, and taxis. In Beijing, pollution triggered a red alert for only the second time.
Wastewater Treatment Plant to Produce Fuel for City Vehicles
With transportation the largest contributor to greenhouse gas emissions in California, San Mateo will be the first city to reduce emissions by using biogas produced at its wastewater treatment plant for use in city vehicles.
Paris Launches EcoDistrict on Train Station Site
After a decade of development, Paris' first EcoDistrict launched this year. Built in place of a disused train station, the district features offices, housing, and amenities built around clean and green principles.
President Obama's Most Important Energy Efficiency Standard Unveiled
Just in time for winter, the U.S. Department of Energy released a standard to make heating and cooling in commercial buildings far more efficient, increasing minimum efficiency by 10 to 25 percent.
Study: Climate Change Turning World's Lakes Into Hot Tubs
The message of a new study funded by NASA and the National Science Foundation: don't forget freshwater when considering the impacts of climate change. Lakes and other bodies of water are threatened by potentially catastrophic vulnerabilities.
2015 Wildfire Season Breaks Records—Congress Sticks With the Status Quo
Congress could have had a landmark moment—but it stopped short of passing the Wildfire Disaster Funding Act. Meanwhile the wildfire season is wrapping up as the most expensive ever.
A Conservationist Turns to the City
Journalist Alex Ulam speaks with Sarene Marshall, director of the Urban Land Institute's Center for Sustainability, about the role conservation is playing in fighting climate change and her role at the agency.
The Most Popular Planetizen Posts of 2015
The results of a year's worth of writing, reading, sharing, and commenting are in. These are the most popular Planetizen posts from the year 2015.
Defending Nuclear Power Plants from Sea Level Rise
Environmentalists are pushing the nuclear industry to do more to prepare for sea level rise. An estimated 13 nuclear plants in the U.S. are considered vulnerable now or in the future.
Oil Export Ban Lifted—After 42 Years
Thanks to a 'must-pass' omnibus spending bill that President Obama indicated he would sign, the ban on crude oil exports, a relic of the 1973 Arab oil embargo, will be lifted. In exchange, energy credits will be extended for wind and solar products.
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.
City of Rosemead
Rutgers University, Edward J. Bloustein School of Planning and Public Policy
One Hundred Miles
University of Michigan School for Environment and Sustainability (SEAS)
Hunter College, City University of New York (CUNY)
The Architects Foundation
City of Cambridge
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello
