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Lincoln Institute comments on teardowns:
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...teardowns in established neighborhoods with good density can be a green concept -- better than building something new in a cornfield miles away, smart growth advocates would argue. Teardowns take advantage of existing urban infrastructure. And while embodied energy is lost, demolition materials can be recycled; if the new building is energy efficient, so much the greener. Municipalities tend to like the increased property tax revenues from more robust assessments.
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lincoln_institute teardowns infill built_environment

Downloadable PDF of a Land Lines Article, "Cities and Infrastructure; A Rough Road Ahead," by Gregory K. Ingram and Anthony Flint. Published July 2011.
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American cities have promising long-term prospects as hubs of innovation and growth, with expansion in technology and health sciences beginning to offset the decades-long erosion of manufacturing. Cities also remain places of vitality, offering urban design, density, and transport options that attract residents of all ages and backgrounds. In fact, nine of the ten most populous U.S. cities gained population over the last decade, according to the 2010 U.S. Census.

Yet the short-term prospects for cities are fraught with challenges. The recent sharp decline in tax revenues, caused by the 2008 housing market collapse and related financial crisis and economic slowdown, has made it extraordinarily difficult for state and local governments to maintain basic services, let alone plan for investments in infrastructure. Federal funds from the American Recovery and Reinvestment Act (ARRA) helped local governments offset revenue declines in the past three years, but ARRA funds are no longer available for the coming fiscal year (a transition now termed “the cliff”), leaving local officials to confront the full force of revenue shortfalls.
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lincoln_institute anthony_flint gregory__k_ingram pdf cities infrastructure

Another Lincoln Institute publication, abstracted on this webpage. Interesting comment re. differences between infill policies in cities with little population growth (where I live, for example) vs. infill in cities with rapid population growth:
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Policies aimed at reducing fragmentation should be clearly distinguished from policies aimed at increasing the density of built-up areas. Encouraging infill in cities with little population growth is qualitatively different from encouraging infill in cities with rapidly growing populations. In the former, it can form the backbone of an effective ‘smart growth’ policy. In the latter, it is overshadowed by the urgent need to prepare vast areas for projected outward expansion.
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lincoln_institute density cities infill growth sprawl

New publication from the Lincoln Institute, downloadable as PDF. Abstract on this webpage; excerpt:
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The key findings show that on average, densities in developing countries are double those in Europe and Japan, and densities in Europe and Japan are double those of the United States, Canada, and Australia; and that on average, the annual growth rate of urban land cover was twice that of the urban population between 1990 and 2000. Most of the cities studied expanded their built-up area more than 16-fold in the twentieth century. At present rates of density decline, the world’s urban population is expected to double in 43 years, while urban land cover will double in only 19 years. The urban population of the developing countries is expected to double between 2000 and 2030 while the built-up area of their cities can be expected to triple.

The research suggests that preparation for the sustainable growth of cities in rapidly urbanizing countries should be grounded in four key components: the realistic projections of urban land needs; generous metropolitan limits; selective protection of open space; and an arterial grid of roads spaced one kilometer apart that can support transit.
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lincoln_institute cities urbanization density

Sounds like this conference included a lot of talented people:
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The two days that some 42 journalists and Nieman fellows spent at the Journalists Forum on Land and the Built Environment: The Reinvented City, late last month were packed with compelling conversations about all the re-engineering, re-imagining and retrofitting metropolitan regions need to be doing these days. The writers, editors, producers -- and one artist! -- gathered in Cambridge as they do every spring for the forum, put on by the Lincoln Institute, the Nieman Foundation for Journalism at Harvard University, and Harvard University's Graduate School of Design. Though part of the idea is to take a break from the daily pressures of the newsroom, there was much real-time blogging and the filing of weekend stories: Mary Newsom of the Charlotte Observer in The Naked City, Tim Halbur at Planetizen, on Andres Duany's talk and the former mayors of Seattle and Miami; Tim Bryant of the St. Louis Post-Dispatch in Building Blocks, Josh Stephens at California Planning & Development Report and Roger Showley of the San Diego Tribune on housing and recovery.
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lincoln_institute urbanism urbanplanning cities anthony_flint

"Land use and urban form are key contributors to greenhouse gas emissions (GHG) through the physical arrangement of streets, building types, and land uses that influence vehicle use and energy consumption in buildings. City and regional officials now facing new emissions reduction requirements are increasingly turning to urban design as a key component of climate mitigation. But, this approach requires decision support tools that illustrate the GHG implications of land use and transportation options. While a wide spectrum of tools currently exists, few have the capacity to work simultaneously at both the regional and local scale, or to capture both building performance and transportation demand analysis.

This report reviews existing tools by scope, scale, methodology, and policy support, and presents four case studies illustrating how existing tools at various stages of development have been used. "

mitigation urbanplanning urban_development lincoln_institute