SUPERTALL

An architect and urban designer reflects on the technological innovations that have enabled the construction of “supertalls” and on the advances in urbanism that help mitigate their environmental shortcomings.

Al, the author of The Strip: Las Vegas and the Architecture of the American Dream, is highly knowledgeable about his subject, even if he is conflicted. He claims that “tall buildings are an integral part of urban living for the future” but describes supertalls—skyscrapers that exceed 300 meters in height—as “gas-guzzling Hummers on steroids” and “makers of increased inequity and societal risk.” While shorter skyscrapers “have significant environmental benefits,” buildings like the Petronas Towers in Malaysia, One57 in New York City, the Shanghai Tower, and the Burj Khalifa in Dubai (the world’s tallest building) mostly create environmental costs and “alienate people from nature.” Ostensibly made necessary by urban densities that send land values soaring, supertalls only became feasible with technological advances in structural material (especially, high-performance concrete); building shapes that dampen sway and lessen the vortexes created by high winds; safer and faster elevators that ease vertical movement; and innovations in air conditioning that compensate for inoperable windows and expansive glass facades. Technology, Al proposes, is also the solution to the environmental and urban problems generated by supertalls. Green infrastructure, mass transit, passive solar design, and zoning that allows for mixed-use districts are just a few of his recommendations. Yet, further expressing his ambivalence, the author writes, “technological progress doesn’t always lead to human progress.” Consequently, when he announces that “we are witnessing another golden age…the era of ‘supertalls,’ ” some readers may be unconvinced. Although he addresses a wide array of topics, Al could have written more about the financial feasibility of supertalls, the architectural design challenges they pose, the experiences of users, and the impacts these buildings have on surrounding residential and office markets.

An informative introduction to supertalls and the global cities where they rise above the skyline.