The American Dream of a single-family home on its own expanse of yard still captures the imagination. But with a growing population --100 million more people expected in the United States by 2050--rising energy and transportation costs, disappearing farmland and open space, and the clear need for greater energy efficiency and a reduction in global warming emissions, the future built environment must include more density. Landscape architect and land planner Julie Campoli and aerial photographer Alex S. MacLean have joined forces to create a full-color, richly illustrated book to help planners, designers, public officials, and citizens better understand, and better communicate to others, the concept of density as it applies to the residential environment. Also included is a CD-Rom of the Density Catalog section, including more than 1000 aerial photographs of 250 locations that illustrate a vast range of densities.

In this era of high energy prices, economic uncertainty, and demographic change, an increasing number of Americans are showing an interest in urban living as an alternative to the traditional automobile-dependent suburb. Many people are also concerned about reducing their annual vehicle miles traveled (VMT) as a way to lower greenhouse gas emissions affecting climate change. But providing transportation options is complex and demands a shift in land use patterns and the way we locate and shape future development.Density is often defined in terms of population per square mile, but such a crude measure makes it difficult to understand the relationship between density and city life. We need to think about urban density by including the density of jobs, schools, and services such as retail, transit, and recreational facilities. Fitting more amenities into a neighborhood within a spatial pattern that invites walking will create the type of built environment that offers real transportation options.Landscape architect and urban designer Julie Campoli challenges our current notions of space and distance and helps us learn to appreciate and cultivate proximity. In this book, developed as a follow-up to Visualizing Density (2007, co-authored with aerial photographer Alex S. MacLean), she illustrates urban neighborhoods throughout North America with hundreds of street-level photographs.Researchers delving into the question of how urban form affects travel behavior identify specific characteristics of place that boost walking and transit use while reducing VMT. In the 1990s some pinpointed diversity (of land uses), density, and design as the key elements of the built environment that, in specific spatial patterns, enable alternative transportation. After a decade of successive studies on the topic, these "three Ds" were joined by two others deemed equally important--distance to transit and destination accessibility--and together they are now known as the "five Ds." Added to the list is another key player: parking.The Ds have evolved into a handy device for defining and measuring compact form and predicting how that form will affect travel and reduce VMT. They share the characteristics of compact development often described as "smart growth." Lowering VMT by any significant measure will require integrating the D attributes at a grand scale.While thinking big is important, this book visualizes a low-carbon environment in smaller increments by focusing on 12 urban neighborhoods of approximately 125 acres each--a comfortable pedestrian walk zone. Some are in familiar cities with historically dense land use patterns, intertwined uses, and comprehensive transit systems; others have emerged in unexpected locations, where the seeds of sustainable urban form are taking root on a micro level.- LoDo and the Central Platte Valley, Denver, Colorado- Short North, Columbus, Ohio- Kitsilano, Vancouver, British Columbia- Flamingo Park, Miami Beach, Florida- Little Portugal, Toronto, Ontario- Eisenhower East, Alexandria, Virginia- The Pearl District, Portland, Oregon- Downtown and Raynolds Addition, Albuquerque, New Mexico- Greenpoint, Brooklyn, New York- Little Italy, San Diego, California- Cambridgeport, Cambridge, Massachusetts- Old Pasadena, Pasadena, CaliforniaThese places were selected because each offers choices: travel options, housing types, and a variety of things to do and places to shop. Their streets are comfortable, attractive, and safe for biking and walking. They all show how compact development can take shape in different regions and climates. Six specific qualities make them walkable: connections, tissue, population and housing density, services, streetscape, and green networks.Although some of these neighborhoods are the result of recent development, most have shared a similar trajectory: bustling industry and growth followed by decline and depopulation as rail-based transportation was replaced by the highway, dispersing economic energy in more diffuse patterns at the edges of cities. In many of these places, the bad years took their toll, eating away at the intricately connected urban fabric. By the end of the twentieth century, however, the story had changed. Frustration with the negative side effects of low-density sprawl led to a realization that these older, urban neighborhoods had a lot to offer.First a trickle and soon a steadier stream of investment flowed back toward cities and into downtown neighborhoods. Their "good bones"--human-scale buildings and ready-made networks of small blocks and connected streets that shorten distances and make walking easy--are drawing people back into these neighborhoods.