When refurbishing the interior of this gallery in Rome, Antonino Cardillo looked to the colours and textures used in the opening scene of Richard Wagner's Das Rheingold opera. More
Colour company Pantone has collaborated with Airbnb to fill a London home with planting and projects that match its verdant 2017 colour of the year. More
Plants grow up the exterior of this green apartment tower in Paris, France, which was designed by local firm Maison Edouard François to spread seeds across the city. More
French-Brazilian studio Triptyque has revamped a 85-metre-high office block in Rio de Janeiro with zigzagging glazing and solar panels so it can generate its own electricity (+ movie). More
Vo Trong Nghia Architects has designed a city hall for the Vietnamese city of Bac Ninh comprising a pair of planted towers, which lean together at the centre to frame a series of elevated viewing decks (+ slideshow). More
A sliding screen can reveal or conceal a glass office that cantilevers from the concave face of this concept house by American studio Fixd Architecture/Design (+ slideshow). More
This house near Hamilton, Ontario, relies on a combination of fireplaces and straw walls to keep it warm, with a rooftop meadow adding to its green credentials (+ slideshow). More
Italian architect Stefano Boeri has revealed designs for a plant-covered 36-storey tower in Lausanne, Switzerland, continuing the "vertical forest" concept he trialled with a pair of towers in Milan (+ slideshow). More
Solar panels cover the rooftops of these four townhouses in Boston by local firm ISA, allowing them to sustainably produce more energy and hot water than their occupants are likely to use (+ slideshow). More
Modular buildings specialist ArchiBlox has unveiled its prototype for a compact carbon-positive house, featuring "edible garden walls", a sunroom and an insulating grass roof (+ slideshow). More
News: construction is now underway on a building designed by Vietnamese firm Vo Trong Nghia Architects for a technical university near Hanoi, featuring a chequerboard facade of concrete slabs and tree-filled balconies (+ slideshow). More
News: a pair of skyscrapers by Milan office Boeri Studio are nearing completion in the Italian city, featuring as many trees as could be planted in a hectare of forest. More
Swiss designer Fabienne Felder has worked with University of Cambridge scientists Paolo Bombelli and Ross Dennis to develop a way of using plants as "biological solar panels". More
Milan Expo 2015: robotic tractors will create patterns across a field of crops on the roof of this pavilion that Italian architect Carlo Ratti has designed for the World Expo 2015 in Milan. More
This "bioclimatic" house on the edge of Lyon in France features a timber frame, cladding of larch and composite timber, and a planted roof (+ slideshow). More
This tensile pavilion is covered in solar panels that can be used to charge an electric car and then folded up to fit in its boot (+ slideshow). More
Dutch Design Week 2013: Dutch artist Arne Hendriks proposes shrinking the human population to an average height of 50 centimetres as a way to reduce the amount of food and natural resources we consume. More
Architects Agnieszka Preibisz and Peter Sandhaus have unveiled a conceptual skyscraper for Berlin with a twisted figure-of-eight structure that curves around elevated gardens and is held up by cables. More
Dutch Design Week 2013: Design Academy Eindhoven graduate Dave Hakkens has made his own machines for recycling plastic to make new products locally and plans to share the designs so others around the world can do the same. More
News: the inventor of an anti-diarrhoea pack for the developing world has replaced its innovative, award-winning packaging design with a simple screw-top jar. More