Update: The winner of the competition has now been announced!

NKA Foundation has announced the winners of the 3^rd Earth Architecture Competition, Designing for the Arts, in Ghana. The competition called for recent graduates and students of architecture and design to design innovative, modest, and affordable housing for artists that could be built using earth and local materials in Ghana.

iGA has shared a glimpse of 6 proposed designs competing to be the Istanbul New Airport's Traffic Control Tower. With designs by Zaha Hadid, Moshe Safdie, Grimsaw-Nordic, Massimiliano Fuksas, Pininfarina-Aecom, and RMJM Architects, the competition seeks to chose an innovative tower that is "inspired by the authentic symbols of Turkey."

Farshid Moussavi and HAT Projects are among five shortlisted to redesign the entrance of London's Science Museum. The project, slated to complete in 2019, calls for a "new, generous and contemporary entrance" as part of an overall masterplan that seeks to transform a third of the museum over the next five years.

The winners of the 2015 LEAF Awards have been announced. Founded in 2001, the awards ceremony honors innovative architecture projects in 13 different categories dedicated to various aspects of building, including best façade design and engineering, best future building, and public building of the year.

Six teams have been shortlisted to design the world's largest waste-to-energy plant in Shenzhen, China: Arup, Atkins, AECOM, Gerber Architekten, Schmidt Hammer Lassen with Gottlieb Paludan Architects, and local firm Tanghua Architects. Aiming to manage Shenzhen's growing population (and waste accumulation), the "Shenzhen East Waste-to-Energy Plant" plans to incinerate 5000 tonnes of waste daily and generate an estimated 550 million kWh per year.

Ten practices from around the world have been shortlisted in a competition that aims to transform Los Angeles' Pershing Square one of Southern California's top destinations. Located on a five-acre plot in the city's downtown, Pershing Square is Los Angeles' oldest park. Each semi-finalist has been challenged to develop proposals based off of experiences. A small selection of finalists will be selected in December to move on to the competition's final phase.

A few weeks ago, we featured Andrea Maffei Architects’ entry to the Redemptoris Mater Church competition to design a new church complex in Cinisi, Italy. Now, Tomas Ghisellini Architects has unveiled their entry, titled Living Stones, which gets its shape from a series of steles that surround the complex.

The Pulitzer Arts Foundation and the Sam Fox School of Design & Visual Arts at Washington University in St. Louis are inviting architects, designers and artists to propose a temporary structure in St. Louis, Missouri, for the second cycle of “PXSTL”. The competition aims to transform an under-used lot in the heart of St. Louis’ Arts and Culture district, catalyzing creative intervention and artistic programs. Nominations will be solicited from deans of architecture, art, and design programs; editors of art, architecture, and design publications; distinguished practitioners; and directors and curators of arts institutions. Read more about this competition after the break.

The Municipality of Varna and the Chamber of Architects in Bulgaria have launched a competition open to architects worldwide to design the new Varna Regional Library. Varna, the third-largest city in Bulgaria, has lacked a proper library building for years, and the library’s collection of over 860,000 items is spread across six different buildings in the city. The new competition aims to create a single space where the collection can be brought together, while creating an attractive public space in the city’s centre.

The Dallas Chapter of the American Institute of Architects has announced its 41^st Annual Ken Roberts Memorial Delineation Competition. Dubbed “KRob,” it is the longest running architectural drawing competition of its kind.

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NASA, who recently confirmed evidence of flowing water on Mars, has deemed SEArch (Space Exploration Architecture) and Clouds AO (Clouds Architecture Office) winners of the 3D Printed Habitat Challenge for Mars. Sponsored by NASA and America Makes, the teams were asked to use indigenous materials and 3D printing techniques to build a habitat for four astronauts on Mars. SEArch and Clouds AO's first prize proposal, ICE HOUSE was awarded $25,000, ahead of 30 other shortlisted practices.

London School of Economics (LSE) has launched a call for expressions of interest for its next major building project; the redevelopment of 44 Lincoln's Inn Fields (44LIF), which will be known as the Paul Marshall Building.

Aarhus School of Architecture, schmidt hammer lassen architects, VOLA, and the Danish Arts Foundation have announced their collaborative competition, entitled Drawing of the Year 2015, which calls for imaginative student drawings, and aims to “celebrate the oldest tool of architects.”