Environment
Largest Passivhaus Development in UK Underway
Featuring 150 Passivhaus dwelling units set amid wetlands and orchards, Architype's development in Herefordshire will also create jobs through an off-site but local prefabrication factory.
One CEQA Reform Bill Advances; One Dies
CA Sen. Darrell Steinberg's bill to "modernize" CEQA unanimously passed the senate environment subcommittee. While SB 731 has no opponents at this time, it is suspected of being a means to keep the Kings NBA team from leaving Sacramento for Seattle.

Astonishing Arctic Ice Melt Becomes National Security Threat
The Arctic may become ice free as soon as 2015, 85 years earlier than recent predictions, prompting a briefing of top U.S. government officials, including those from the Pentagon and the Department of Homeland Security, by Arctic specialists.
CO2 Levels Approach Troubling Milestone
The concentration of carbon dioxide in the Earth's atmosphere is fast approaching levels not seen for millions of years. At 400 parts per million (p.p.m.), the planet is fast approaching the point of no return for avoiding dangerous climate change.
America's Ballooning Disaster Debt
A new report out this week quantifies the federal government's escalating disaster relief spending, a sum that hadn't previously been tabulated and came as a surprise to many.

Trucks & Trains Turn Toward LNG to Lower Costs
Just as the power industry turned toward lower priced natural gas and away from dirtier coal, there are signs that trucks and trains are looking to lower priced liquefied natural gas (LNG) to replace diesel-powered vehicles, but there are challenges.
Sierra Club Changes Position on Immigration
Ever since the divisive, internecine battles almost a decade ago, Sierra Club has steered clear of taking decisive postions on immigration - until April 24 when their board unanimously endorsed a pathway to citizenship for undocumented immigrants.
Conserving the Biodiversity of Massachusetts in a Changing World
BioMap2 is designed to guide strategic biodiversity conservation in Massachusetts over the next decade by focusing land protection and stewardship on the areas that are most critical for ensuring the long-term persistence of rare and native species.
Despite Governor's Reluctance, CEQA Reform Proceeds in CA
Just last week it was reported that Gov. Jerry Brown had given up on trying to reform the state's landmark environmental law this year. State Senate leader Darrell Steinberg must not have gotten the memo.

America's Most Polluted Cities
Despite better news all around for the quality of the air in America's urban environs, there is still much work to be done, especially for those making the American Lung Association's annual survey of the country's most polluted cities.
Integrating Conservation into Planning Processes
Conservation areas can provide a variety of benefits to localities, including improving public health, raising property values, and sustaining ecosystems. Proactive conservation strategies are the best way to ensure those benefits accrue.

BP's Gulf Oil Spill Was Much Worse Than You Were Led to Believe
Mark Hertsgaard examines the effort undertaken by BP to cover up the 2010 Gulf of Mexico oil spill. The focus of his story is the company's use of Corexit, a dangerous 'dispersant' that sickened many and helped conceal the true extent of the spill.
What Impending Issue is Most Critical to Designers?
A session at the recent APA National Conference in Chicago gathered together the heads of the major built-environment professional organizations to discuss their unique and shared challenges. One subject was on each head's mind: Water.
A Canadian Rendezvous for California Cap-and-Trade
California's cap-and-trade program is barely five months old, and already it's expanding its horizons. Officials announced last week that the program is merging with one operated in the Canadian province of Quebec.
Once a Paragon of Pollution, Mexico City's Residents Breathe Easier
While the news has been full of warnings about the rapidly deteriorating air quality of cities in the developing world, David Agren examines how one megacity has managed to drastically clean its polluted air over the past twenty years.
World Bank: Carbon Pricing Key to Tackling Climate Change and Poverty
World Bank President Jim Yong Kim explains why climate change is a poverty issue - and why we must tackle it today to ensure that carbon emissions do not continue rising after 2016. Establishing a world price on carbon will be difficult to achieve.
What It's Like to be a Child in China's Polluted Cities
Chronic coughs, stuffy noses, and face masks whenever you venture outside. Edward Wong looks at the "hell" that is childhood in China's polluted cities, which is forcing some affluent families to leave, and giving foreigners pause before entering.
To Fend Off Emerging Threats, Evironmental Protections Need a Revamp
The environmental awakening of the 1970s led to landmark federal laws that have helped heal our natural systems. The growing “Rights of Nature” movement seeks to create new protections to respond to emerging ecological threats.
America's Most Endangered Waterways
In time for Earth Day, American Rivers has released its annual list of the country's most threatened rivers. Topping this year's list is the Colorado River, a waterway so dammed, diverted and over-tapped that it ultimately "dries to a trickle."
What Is Green Infrastructure and Why Does it Matter?
From traditional stormwater management to storm surge abatement and conserving drinking water and watersheds, green infrastructure improves our cities, explains Adrian Benepe of the Trust for Public Land.
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.
Heyer Gruel & Associates PA
JM Goldson LLC
Custer County Colorado
City of Camden Redevelopment Agency
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
Jefferson Parish Government
Camden Redevelopment Agency
City of Claremont