Architecture studio EFFEKT has released plans for a 600-metre-long treetop walkway connected to a spiralling observation tower with 360-degree views over the forest canopy of Haslev, Denmark. More about EFFEKT unveils spiralling tower and treetop walkway near Copenhagen
A+Awards: landscaped circles accommodate different activities at the centre of the redeveloped Navy Yards in Philadelphia, designed by James Corner Field Operations and a winner at the 2016 Architizer A+Awards. More about James Corner Field Operations adds circular landscaping to Philadelphia Navy Yards Central Green
The site of the former Domino Sugar Factory on the Brooklyn waterfront will open as a public park in 2018, as part of a major redevelopment project. More about Williamsburg's Domino Sugar Factory site to become six-acre park by James Corner Field Operations
Japanese architect Kengo Kuma has completed a new complex for an urban garden in Portland, Oregon, that features a central courtyard and buildings topped with pagoda-style, green roofs. More about Kengo Kuma's major expansion of Portland Japanese Garden opens
A+Awards: angular steps and terraces line the banks of a shallow waterway to form a promenade at the heart of Velenje, Slovenia – a project that earned Ljubljana firm Enota a 2016 Architizer A+Award. More about Enota sculpts pedestrian area for Slovenian garden city
Snøhetta has designed a pair of grand stone arches for the entrance points of a 1.7-kilometre shipping tunnel, which will cut through a peninsula to bypass a particularly dangerous stretch of Norway's coast. More about Snøhetta designs terraced stone entrances for Norway's huge Stad Ship Tunnel
This multi-tonal red concrete skatepark by architects B-ILD and Constructo doubles as a public square in the Belgian city of Blankenberge. More about B-ILD and Constructo use shades of red concrete for skatepark on Belgian coast
Plans to construct a Thomas Heatherwick-designed park and events venue jutting out over New York's Hudson River have hit a major bump after a federal court vacated the project's permit. More about Heatherwick's Pier 55 park for New York now unlikely to go ahead
Architecture studio Penda has revealed plans to create a vast network of modular building blocks at the International Horticultural Expo 2019 in Beijing, forming a 30,000-square-metre exhibition space. More about Penda designs modular wooden "village" for Beijing Horticultural Expo
These mounds in the landscape of South Dakota are formed by hundreds of concrete military bunkers, which are being repurposed to create the world's "largest survival shelter community". More about South Dakota bunker field acts as apocalypse refuge for the rich
Parks with terraced fountains and chunky concrete formations are among works by American landscape architect Lawrence Halprin featured in a show at the National Building Museum in Washington DC. More about Exhibition surveys work of modernist landscape architect Lawrence Halprin
A scheme to convert roadways in Phoenix into car-free and plant-filled corridors shaded by woven canopies has won first place in a design competition. More about Blank Studio proposes fibre canopies for sun-drenched Arizona streets
Mexican artist Gabriel Orozco has worked with 6a Architects to create a sculptural garden paved in a pattern of interconnected circles for the South London Gallery. More about Swirling brick circles form back garden for South London Gallery
In our next exclusive movie from this year's World Architecture Festival, Grant Bailey of Isthmus explains how the Auckland firm's award-winning Kopupaka Reserve was informed by local Maori culture. More about World Landscape of the Year 2016 is "about respect for water" says landscape architect Grant Bailey
Miami firm DOMO Architecture + Design has created renderings that show a series of landscaped features along the border between the USA and Mexico instead of a fence or wall. More about Beautifying the Border proposal replaces US-Mexico fence with landscaping
An Auckland wetlands reserve featuring "woven" timber structures has been named World Landscape of the Year 2016 at the World Architecture Festival. More about Kopupaka Reserve in Auckland wins World Landscape of the Year 2016
Taiwanese designer Sheng-Hung Lee and Malaysian designer Wan Kee Lee have created a concept for a new kind of sea defence that also functions as a set of giant plant pots. More about TetraPOT is a greener alternative to concrete coastal defences
Unused patches of land in a densely populated area of the Thai capital have been transformed into a series of irregularly-shaped football pitches for local residents (+ movie). More about Non-rectangular football pitches created in Bangkok slum
The Norwegian government has offered to abandon plans for a memorial to the 77 people murdered during the terrorist attacks of 22 July 2011, after fierce opposition by local residents. More about Norway moves to scrap plans for controversial Utøya memorial
This triangular viewing platform perched on the edge of a mountain was created by Norwegian studio Code Arkitektur as a rest stop for one of the country's picturesque tourist trails (+ slideshow). More about Mountainside platform by Code Arkitektur creates three vertiginous viewpoints