Fantastic news: the High Line at the Rail Yards - the third and northernmost section of the park - will be opening to the public on Sunday, September 21! Read the full announcement: http://bit.ly/RailYardsOpening Photo of the Interim Walkway, one of the new design features in the Rail Yards, by Kathleen Fitzgerald | OCD

This Sunday (September 21), the third and final section of the New York City High Line will open at the Rail Yards. You can expect to see familiar benches morphed into picnic tables and seesaws amongst a lush, diverse and seemingly unkept landscape that is reminiscent of the “forgotten” tracks. As Piet Oudolf - the Dutch garden designer who worked with James Corner Field Operations and Diller Scofidio & Renfro - described, the $75 million northernmost section will be an “introduction to the wild” that responds directly to the public’s desire to “walk on the original tracks.” Stay tuned for more images from the opening.

Jean Nouvel's long-awaited 53 West 53rd Street, also known as the Tower Verre or the MoMA Tower, may finally be ready to move ahead with construction after the project's developer Hines purchased $85.3 million worth of air rights from its neighbors MoMA and the St Thomas Episcopal Church and arranged the $860 million construction loan required for the project.

Originally proposed in 2007, the design has been plagued by problems, including significant delays due to the financial crisis and a difficult approval process which resulted in the building's height being slashed from 1,250 feet to its current planned height of 1,050 feet. However, according to a statement from Hines groundbreaking on the project is now "imminent."

The Holcim Foundation has announced the Winners of the Holcim Awards 2014 for North America, the award which recognizes the most innovative and advanced sustainable construction designs. Among the winners are BIG and The Living, with designs which the jury stated showed "sophisticated and multi-disciplinary responses to the challenges facing the building and construction industry."

The ten recognized projects share over $300,000 in prize money, with the top three projects overall going on to be considered for the global Holcim Awards awards, to be selected in 2015.

Read on after the break for the full list of winners

Peter Smithson (18 September 1923 – 3 March 2003), the acclaimed British architect often associated with New Brutalism, would have turned 91 today. He attended the school of architecture in Newcastle, but left to serve in the war in India and Burma. After returning to complete his degree in 1948, he enrolled in the Royal Academy architecture school. In 1950 he set up his own practice with his wife Alison, and the two went on to become some of the most influential British architects of the mid-20^th century.

The San Francisco Museum of Modern Art has topped out its Snøhetta-designed extension, marking the halfway point in the museum’s transformation. Rising behind SFMOMA’s existing Mario Botta-designed building, the 10-story addition will add more than triple the amount of gallery space, 130,000 square feet of indoor and outdoor galleries, flexible performance art spaces and a dramatically expanded education program for students and teachers upon completion in 2016.

More images after the break...

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ASTOC and HPP have been announced as winners of a two-stage competition to masterplan “New Moscow’s” International Financial Center (IFC) in Rublyovo-Arkhangelskoye. The phased, 460 hectare development will capitalize on the Moscow River’s greenbelt by extending the river landscape throughout the IFC to achieve a balance between nature and city.

More information, images and a video about the winning proposal, after the break…

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Take a tour inside ALA Architect’s Helsinki Central Library with a new animation and set of images revealing the project’s spacious interiors. The project, which was awarded to ALA through an international competition, boasts a unique set of programs, such as a ground floor cinema, second story sauna, “Nerd Attic” and dreamy “Book Heaven” that is topped with a cloud-like undulating roof and includes a distinctive outdoor “Citizens’ Balcony.”

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The Pinnacle, the 63-storey tower that would have been the tallest in the City of London's central cluster, has finally been abandoned, according to Gwyn Richards, the City’s new head of design. Originally granted planning permission in 2006, the "helter-skelter" design by Kohn Pederson Fox Associates (KPF) was put on hold in 2011 due to financial issues. Now a replacement scheme is in the works which could be revealed in a matter of weeks.

More on the Pinnacle, and its replacement, after the break

Combo Competitions, an organisation founded by Swedish, London based architect Per Linde, organises international idea competitions for architects, designers and students. With a gentle emphasis on the ideas presented in proposals, rather than aesthetics alone, their main driver is to promote design concepts "where everything comes together to form a whole that is larger than the sum of its parts."

With the increasing ease in producing "amazing renderings and images," underling concepts can often be lost - or hidden by - a seductive final image. Combo Competitions seeks to reverse this trend by rewarding an emphasis on "well advised concepts" alongside appearance and presentation. Their latest competition, entitled Hello Nature, invites participants to explore a way of re-introducing nature into people’s consciousness.

Find out more about the competition and hear from Per Linde after the break...

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Details have been released on Rogers Stirk Harbour + Partners’ first project in the Middle East: Maryah Plaza. The four-tower, one billion dollar scheme will be built on Abu Dhabi’s 114 hectare Al Maryah Island, which is slated to become the emirate’s central business district.

The Los Angeles Bureau of Engineering has selected three teams for the next phase of the competition to redevelop and expand the Los Angeles Convention Center. The teams, consisting of AC Martin + LMN; Gensler + Lehrer Architects; and HMC + Populous, will now receive $200,000 to develop detailed proposals to be submitted on December 8th.

However, according to The Architect's Newspaper, the redevelopment of the Convention Center outlined by the brief is not yet guaranteed to happen; with the city under contract with AEG to build a football stadium on a portion of the site until October 18th, the Convention Center's Executive Director Bud Ovrum confirmed that, if the city can secure an NFL team by then, the stadium is still the city's first choice.

Jeffrey Inaba’s Brooklyn practice INABA has been selected as the first-ever winner in the Flatiron Plaza Holiday Design Competition with New York Light. Organized by the Flatiron/23rd Street Partnership and Van Alen Institute, the inaugural installation will be constructed in front of the famous Flatiron Building for the duration of the 2014 winter season.

The Barack Obama Foundation has listed four potential sites for Obama’s presidential library and museum: Columbia University, the University of Hawaii, the University of Chicago and the University of Illinois at Chicago.

As reported by the Los Angeles Times, the Universities considered were selected for demonstrating the ability to develop a strong vision and design a library that could enhance the local economy. Each institution will now work towards refining their ideas and will submit formal proposals by December.

Richard Rogers has been honored with the Coutts Lifetime Achievement Medal for his “significant and fundamental contributions to the design industry,” an announcement made as part of the London Design Festival in Rogers’ newly completed Leadenhall Building.

“He has played a leading role in designing buildings that made us think again about how we use them and how they function,” stated London Design Festival director Ben Evans. :His eminence is global, and he is part of a golden era of leading British architects who not only reshaped our city but also reshaped the world to some capacity.”

Today is Mexico’s Independence Day and in celebration of this national holiday we wanted to recognize the great tradition of modern and contemporary architecture in the country. We asked the editors of all our sites – ArchDaily, Plataforma Arquitectura, ArchDaily Mexico and ArchDaily Brasil - to select their favorite architecture projects in Mexico. From Barragan to Rojkind, check out our round-up below, originally published on our sister-site ArchDaily Mexico.

It is a common complaint among architects that, unlike other manufacturing systems, the way we build has remained essentially the same for hundreds of years. This presents a huge number of challenges, not only to architects but also to their clients and to contractors, with disputes over unexpected costs and time overruns - resulting in a system where contractors, clients and architects often see each other as adversaries rather than as members of a team.

The world of commercial architecture has at least gone some way to a solution: many large projects financed by developers or by the government are covered by construction bonds, which tie all parties down to a contract, and provide insurance against unexpected expenses and overruns. But what about the architects who work for small private clients? Now, thanks to a company called Bolster, designers on smaller projects can have the insurance used to streamline major projects - as well as a client matching service which can help architects and contractors find work.

Find out more about Bolster, and what it can offer architects, after the break