We are living in a new urban age and its most tangible expression is the "supertall": megastructures that are dramatically bigger, higher, and more ambitious than any in history. In Supertall, TED Resident Stefan Al-himself an experienced architect who has worked on some of the largest buildings in the world-reveals the advancements in engineering, design, and data science that have led to this worldwide boom. Using examples from the past (the Empire State Building, St. Paul's Cathedral, the Eiffel Tower) and present (Dubai's Burj Khalifa, London's Shard, Shanghai Tower), he describes how the most remarkable skyscrapers have been designed and built. He explores the ingenious technological innovations-in cement, wind resistance, elevator design, and air-conditioning-that make the latest megastructures a reality. And he examines the risks of wealth inequality, carbon emissions, and contagion they yield while arguing for a more sustainable, resilient, and equitable built environment for everyone.

We are living in a new urban age, and its most tangible expression is the “supertall”: megastructures that are dramatically bigger, higher and more ambitious than any in history. Cities around the world are racing to build the first mile-high building, stretching the limits of engineering and design as never before. In this fascinating work of urban history and design, TED resident Stefan Al—himself an experienced architect—explores the factors that have led to this worldwide boom. He reveals the marvellous and under-appreciated feats of engineering that make today’s supertalls a reality, from double-decker elevators that silently move up to 50 miles per hour to the sophisticated blend of polymers and steel fibres that enables concrete to withstand 8,000 tons of pressure per square meter. Taking readers behind the scenes of the building and design of remarkable megastructures, both from the past (the Empire State Building, St. Paul’s Cathedral, the Eiffel Tower) and the present (Dubai’s Burj Khalifa, London’s Shard, Shanghai Tower), Al demonstrates the impact of these innovations. Yet while the supertall is undoubtedly a testament to great technological victories, it can come at an environmental and social cost. Focusing on four global cities—London, New York, Hong Kong and Singapore—Al examines the risks of wealth inequality, carbon emissions and contagion that stem from supertalls. And he uncovers the latest innovations in sustainable building, from skyscrapers made of wood to tree-covered buildings, that promise to yield a better urban future. Featuring more than thirty architectural drawings, Supertall is both a fascinating exploration of our greatest accomplishments and a powerful argument for a more equitable way forward.

Countless Chinese villages have been engulfed by modern cities. They no longer consist of picturesque farms and feng shui groves, but of high-rise buildings so close to each other that they create dark claustrophobic alleys - jammed with dripping air-conditioners, hanging clothes, caged balconies and bundles of buzzing electric wires, and crowned with a small strip of daylight, known as "thin line sky." At times, buildings stand so close to another they are dubbed "kissing buildings" or "handshake houses" - you can literally reach out from one building and shake hands with your neighbor. Although it is easy to see these villages as slums, a closer look reveals that they provide an important, affordable, and well-located entry point for migrants into the city. They also offer a vital mixed-use, spatially diverse and pedestrian alternative to the prevailing car-oriented modernist-planning paradigm in China. Yet, most of these villages are on the brink of destruction, affecting the homes of millions of people and threatening the eradication of a unique urban fabric. Villages in the City argues for the value of urban villages as places. To reveal their qualities, a series of drawings and photographs uncover the immense concentration of social life in their dense structures, and provide a peek into residents' homes and daily lives. Essays by a number of experts give a deeper understanding on the topic, and help imagine how reinstating the focus on the village could lead to a richer, more variegated pathway of urbanization.

Cities across the globe have been designed with a primary goal of moving people around quickly--and the costs are becoming ever more apparent. The consequences are measured in smoggy air basins, sprawling suburbs, unsafe pedestrian environments, and despite hundreds of billions of dollars in investments, a failure to stem traffic congestion. Every year our current transportation paradigm generates more than 1.25 million fatalities directly through traffic collisions. Worldwide, 3.2 million people died prematurely in 2010 because of air pollution, four times as many as a decade earlier. Instead of planning primarily for mobility, our cities should focus on the safety, health, and access of the people in them. Beyond Mobility is about prioritizing the needs and aspirations of people and the creation of great places. This is as important, if not more important, than expediting movement. A stronger focus on accessibility and place creates better communities, environments, and economies. Rethinking how projects are planned and designed in cities and suburbs needs to occur at multiple geographic scales, from micro-designs (such as parklets), corridors (such as road-diets), and city-regions (such as an urban growth boundary). It can involve both software (a shift in policy) and hardware (a physical transformation). Moving beyond mobility must also be socially inclusive, a significant challenge in light of the price increases that typically result from creating higher quality urban spaces. There are many examples of communities across the globe working to create a seamless fit between transit and surrounding land uses, retrofit car-oriented suburbs, reclaim surplus or dangerous roadways for other activities, and revitalize neglected urban spaces like abandoned railways in urban centers. The authors draw on experiences and data from a range of cities and countries around the globe in making the case for moving beyond mobility. Throughout the book, they provide an optimistic outlook about the potential to transform places for the better. Beyond Mobility celebrates the growing demand for a shift in global thinking around place and mobility in creating better communities, environments, and economies.