An event pavilion and aerial tree walk are among the enhancements to Portland's Leach Botanical Garden, which is being upgraded by a team that includes US studios Land Morphology and Olson Kundig Architects. More about Land Morphology and Olson Kundig update Oregon botanical garden
A pyramidal pavilion for contemplation is set to be introduced to the Liverpool waterfront as part of a transformation project led by designer Asif Khan and artist Theaster Gates. More about Asif Khan and Theaster Gates unveil Liverpool Docks transformation plans
Yashima Mountaintop Park is a "three-dimensional pathway" by architecture studio SUO that offers views over the mountainous landscape of Setonaikai National Park in Japan. More about SUO elevates winding walkway in national park in Japan
A colourful pavilion sits in the Joy Garden at Sheffield Children's Hospital, which British artist Morag Myerscough has created to offer patients and staff respite from a medical environment. More about Morag Myerscough creates "secret garden" for Sheffield Children's Hospital
Architecture studios Maat-Ontwerpers and Bart Lens have created a cycle path called Cycling Through the Heathland as part of a tourism cycling network through the Belgium province of Limburg. More about Timber bridge offers visitors 360-degree views of Belgian heathland and forest
Weathered-steel planters feature in the linear park that London studio Twelve Architects and the National Trust conservation charity have created on the disused Castlefield Viaduct in Manchester. More about Victorian viaduct repurposed as public park in Manchester
London-based Studio Egret West has designed Mayfield Park in Manchester, which is said to be the city's first new central park in more than 100 years. More about Studio Egret West unveils Manchester's first city centre park for 100 years
London-based designer Samuel Wilkinson has created a prototype of a tree-like structure called Ecacia that harvests solar energy while providing a public place to shelter during very hot weather. More about Solar-harvesting Ecacia by Samuel Wilkinson mimics trees of African savannahs
A winding wooden path leads to a natural amphitheatre created by rippling mounds of grass at this garden in Lijiang, China, which was designed by landscape studio Z'scape and has been shortlisted for the Dezeen Awards 2022. More about Z'scape adds grassy amphitheatre and wild garden to hotel in rural China
American artist Michael Heizer has completed City, a monumental sculpture formed of earthen mounds, geoglyphs and concrete pyramids deep in the Nevada desert that took more than 50 years to construct. More about Michael Heizer completes monumental City sculpture in Nevada desert
In the face of climate change, Britain's lawned parks should be replaced with urban forests to help control city temperatures and keep green spaces green during hot summers, writes Phineas Harper. More about "Grassy parks are no longer viable in the face of global heating"
Dutch studio Architectuur Maken has completed De Niewe Herdgang, a sculptural staircase rising 25 metres to create a watchtower over the landscape outside the city of Tilburg, the Netherlands. More about Architectuur Maken designs sculptural staircase overlooking Dutch landscape
Dutch studio MVRDV and local practice StudioPOD have collaborated to convert a disused space beneath a concrete flyover in Mumbai, India, into the One Green Mile linear park. More about MVRDV and StudioPOD create 200-metre-long park beneath Mumbai flyover
Landscape architecture studio Bureau Bas Smets is set to revive the square facing Notre-Dame cathedral in Paris and transform an abandoned underground car park beneath it into a visitor centre that opens onto the river Seine More about Notre-Dame visitor centre set to be built in underground car park
Architecture and design studio Snøhetta has installed a path of stones off the coast of Norway that emerges and disappears with the tide to illustrate "the passing of time". More about Snøhetta creates disappearing walkway on Traelvikosen Scenic Route
The Tree of Trees installation for the Platinum Jubilee is just the latest project by British designer Thomas Heatherwick to trigger controversy. Here are eight of his most divisive projects. More about Eight of Thomas Heatherwick's most controversial projects
Architecture studio DSDHA has created the public Exchange Square in the City of London alongside Liverpool Street Station. More about DSDHA creates public square above the tracks of Liverpool Street Station
A snaking bridge that incorporates spaces for play, rest and planting connects two areas of wetland across Shanghai's Yuandang Lake, in this project by Brearley Architects + Urbanists. More about BAU designs winding bridge in China as a "hybrid" of landscape and infrastructure
Zaha Hadid Architects has completed Eleftheria Square, a public park that runs alongside the historic Venetian Walls of Nicosia, Cyprus. More about Zaha Hadid Architects creates multi-level city park in Cyprus' capital
A disused power plant and its neglected surroundings in Shenzhen, China, have been transformed into a wetland park masterplanned by Hong Kong-based landscape studio eLandscript. More about eLandscript converts industrial site in China into an urban wetland