Design studio Space Available and techno DJ Peggy Gou have joined forces to create a chair made of plastic trash collected from streets and waterways in Indonesia. More about Space Available and Peggy Gou create furniture from "heartbreaking" plastic waste
Dezeen Showroom: Lammhults is presenting its classic X75-2 chair, which has been in production since mid-century Swedish design duo Lindau & Lindekrantz created it for the brand in 1972. More about X75-2 chair by Lindau & Lindekrantz for Lammhults
Dezeen promotion: earlier this month, Danish furniture manufacturer Carl Hansen & Søn gathered sustainability pioneers from the design, architecture and food industries to discuss how they are working to build a greener future. More about "If you're not a sustainable business five years from now, you're out of business"
Dezeen Showroom: a healthy alternative to standard desk chairs, Muista's balancing chair was designed by the brand's founder Aurimas Lažinskas to promote active sitting. More about Muista active sitting chair by Aurimas Lažinskas for Muista
Dezeen Showroom: created by Italian designer Vico Magistretti for De Padova, the Raffles sofa offers a classic silhouette with hundreds of fabric colour options. More about Raffles sofa by Vico Magistretti for De Padova
Dezeen Showroom: meandering rivers informed the design of the modular Bend sofa system, which Madrid studio Stone Designs has created for office furniture brand Actiu. More about Bend sofa by Stone Designs for Actiu
Dezeen Showroom: Foster + Partners has collaborated with British furniture maker Benchmark to create a trio of carbon-negative chairs using European oak and American walnut. More about OVO Chairs by Foster + Partners for Benchmark
Dezeen Showroom: furniture brand Miniforms has launched a modular bench called Marino with two different types of tables integrated into its design. More about Marino bench by Miniforms
Dezeen Showroom: architecture firm Gensler has designed Arper's Mixu chair, which can be mixed and matched with different materials and finishes to give interiors a personal touch. More about Mixu chair by Gensler for Arper
Dezeen Showroom: Belgian architect Vincent Van Duysen has created a highly customisable collection of modular outdoor seating for US brand Sutherland Furniture. More about Otti modular outdoor seating by Vincent Van Duysen for Sutherland Furniture
Dezeen Showroom: Barcelona design studio Altherr Désile Park has created a lounge chair for Arper that is made of solid wood and takes inspiration from traditional woven straw chairs. More about Kata chair by Altherr Désile Park for Arper
A stone courting bench and a giant teacup are among nine imaginative seating designs that architects and designers have created for the London Festival of Architecture. More about Emerging designers brighten London's streets with playful City Benches
Dezeen Showroom: Danish company Verpan has reimagined two seating designs and a throw by notable midcentury designer Verner Panton for outdoor use. More about Outdoor spring collection by Verner Panton for Verpan
Dezeen Showroom: &tradition has launched Wulff, a lounge chair that pays tribute to the kind of handcrafted furniture produced in Denmark around the middle of the 20th century. More about Wulff lounge chair by &tradition
Dezeen Showroom: Swedish architecture and design firm Claesson Koivisto Rune has created Abisko, a collection of gently rounded seating for True Design. More about Abisko seating by Claesson Koivisto Rune for True Design
Lebanese designer Khaled El Mays has designed the Transformers collection, featuring a handmade sofa and armchairs that look like they could stand up and unfurl into giant creatures. More about Khaled El Mays' Transformers furniture collection evokes crouched robots
Dezeen promotion: Milanese architect Piero Lissoni has completed his collection of seating designs for American furniture brand Knoll. More about Knoll presents Piero Lissoni's complete KN Collection in online video show
Dezeen Showroom: Fredericia has released a previously unproduced chair by modernist Danish designer Børge Mogensen that is named Lynderup after the site of his beloved farm. More about Lynderup chair by Børge Mogensen for Fredericia
Dezeen Showroom: Square XL is a leather sofa designed by Italian furniture manufacturer De Padova that is characterised by its geometric lines and "distinctive seams". More about Square XL sofa by De Padova
Dezeen Showroom: Canadian design company Part & Whole has designed a modular sofa system called Total that adopts circular economic principles. More about Total modular sofas by Part & Whole