Proposals by SHoP Architects, Dattner Architects and Present Architecture have informed a concept design for New York's LaGuardia airport – completely replacing the existing terminals (+ slideshow). More about New York's LaGuardia Airport to be demolished and rebuilt using three different designs
The green finish applied to the metal cladding of this police station extension in Italy resembles oxidised copper, but also aims to evoke the "power and invincibility" of The Incredible Hulk (+ slideshow). More about Maurizio Bradaschia adds green-painted extension to an Italian police station
Architecture firm Snøhetta has designed a pair of ring-shaped platforms linked by a cable car, which will offer expansive views of the Alps to residents and visitors in Bolzano, Italy. More about Snøhetta wins competition for cable car and Alpine viewing platform in Italy
Gensler has designed a terminal for animals that will contain a "pet resort" offering lodging and spa services at New York's JFK airport (+ slideshow). More about Pets to receive spa treatments at Gensler-designed JFK animal airport terminal
Rotterdam studio ZUS has completed what they describe as the "world’s first crowdfunded public infrastructure project" - a 400-metre-long pedestrian bridge in their home city (+ slideshow). More about Crowdfunded Luchtsingel pedestrian bridge opens in Rotterdam
These three zinc-cloaked towers form a power plant on the roof of an old beer brewery in Sydney, which will supply energy to a new housing and shopping complex on the site below (+ slideshow). More about Metal-clad power plant by Tzannes Associates is mounted on the roof of an old Sydney brewery
Graduate shows 2015: airport runways are raised above the streets and waterways of a new Stockholm city district in this conceptual proposal by Bartlett School of Architecture graduate Alex Sutton (+ slideshow). More about Stockholm airport proposal elevates runways among city rooftops
Boston-based Leers Weinzapfel Associates has completed a water-cooling facility at Ohio State University that is sheathed in a copper-coloured aluminium screen (+slideshow). More about Leers Weinzapfel wraps water-cooling plant in a copper-coloured screen
This glass-encased lift and elevated walkway have been created by architecture studio Vaumm to improve access between the new and historic centres of Spanish town Hernani (+ slideshow). More about Glass elevator and steel bridge by Vaumm connect two neighbourhoods in a Spanish town
Dutch designer Joris Laarman has designed a pedestrian bridge for Amsterdam that will be 3D printed by robots (+ slideshow). More about Joris Laarman designs steel canal bridge that will be 3D printed by robots
This concrete footbridge spans a road in Lausanne, Switzerland, to connect a metro station with the scenic Sauvabelin Forest (+ slideshow). More about Faceted concrete bridge by 2b Architectes links a metro station with a forest
The Västerås Travel Center by Bjarke Ingel's firm BIG will bring together trains, buses, taxis and bicycles as part of an ambitious redevelopment plan for the city's main railway station (+ slideshow). More about BIG unveils transport hub for one of Sweden's biggest cities
The Vlotwateringbrug by NEXT Architects will span a river that forms an important natural pathway for the local bat population, and provide shelter for the mammals with a series of covered roosting spots. More about NEXT Architects' bat-friendly bridge to have winter roosts built into its concrete structure
The UK's first new electricity pylon in 90 years has been installed, with six structures designed by Danish architect Erik Bystrup now in place (+ slideshow). More about New pylons by architect Erik Bystrup will "become part of the landscape"
This parking garage in the Miami Design District features a textured facade of perforated metal panels, designed by architecture firms IwamotoScott and Leong Leong, with artist John Baldessari (+ slideshow). More about IwamotoScott and Leong Leong wrap a Miami parking garage in perforated screens
Danish firm Gottlieb Paludan Architects has seen off competition from BIG, Henning Larsen Architects and 3XN to win a project designing a new biomass-fired heating and energy plant in Copenhagen. More about Gottlieb Paludan Architects fuels Copenhagen's ambition to become carbon-neutral by 2025
Tropical roof gardens and a leisure complex designed by Foster + Partners to sit above a new Crossrail station at Canary Wharf in London has opened to the public. More about Foster's Crossrail Place roof garden opens at Canary Wharf
A team of Dutch companies has unveiled a proposal for a huge circular wind turbine that doubles as an apartment block and hotel, and also includes a rollercoaster. More about Designs unveiled for giant Rotterdam wind turbine you could live inside
Scandinavian architecture firm CF Møller has presented its plans to build Denmark's largest sewage-pumping station in Copenhagen. More about CF Møller plans Denmark's largest sewage-pumping station
Erik Andersson Architects has unveiled plans to build a circular carbon-fibre bridge across a historic moat in Sweden's second-largest city. More about Designs revealed for carbon-fibre bridge across a Gothenburg moat