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Anyway, the epic sunset I hoped for didn’t occur. In fact, I was afraid the clouds would totally obscure the sun as the day progressed. But just before sunset, the sun came through a render in the clouds, giving me the pleasure of this wonderful view of NE Arizona.
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Are tree covered buildings really in tune with ecological and sustainable principles, or are they just a form of greenwashing? This is the question posed by Kurt Kohlstedt in his essay, Renderings vs. Reality: The Improbable Rise of Tree-Covered Skyscrapers, for 99% Invisible. The author notes that vegetated designs come about for myriad reasons – the appearance of sustainability, better air and views, investment intrigue – but that most of these concepts will never leave the realm of paper or virtual architecture. For as many reasons that these buildings have become popular, there are detractors for why they simply cannot be built, including daunting construction hurdles (extra concrete and steel), vast irrigation systems, added wind load complexities, and the trees themselves having difficulty adapting to their vertiginous conditions.
Kohlstedt cites Bosco Verticale by Boeri Studio as a “vertical forest” project that has actually been built and subsequently praised. The project received numerous awards and accolades including being named the 2015 Best Tall Building Worldwide by the Council on Tall Buildings and Urban Habitat (CTBUH) and LEED Gold certification, but critics have noted that the amount of resources required to place and maintain the trees far outweigh their ecological merit.
Of the article’s several conclusions, those that stick out are Kohlstedt’s note that extensive green coverage (mosses, succulents, herbs, and grasses) are easier to implement than intensive green coverage (roofs or balconies with shrubs and trees), and that vertical gardens can seem to have egalitarian merit, but they are park conditions that benefit the few not the many. ArchDaily has taken on this issue previously, with authors who defend and others who denounce the trees on buildings phenomenon.
For Kohlstedt’s complete evaluation, read the full article on 99% Invisible, here.
Venice Architecture Biennale 2016: a team led by ETH Zurich researchers has constructed an expansive canopy using 399 slabs of limestone and no glue, showcasing a “milestone for stone engineering” (+ slideshow). (more…)
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holding on by thomp88(chasethemoments) Black sand beaches near Vik, Iceland http://flic.kr/p/iQrLzd
Sig Nordal 