Dezeen promotion: Furniture manufacturer Flokk, owner of the Swedish brand RH, has released its most sustainable task chair to date – the RH New Logic, which has been made from recycled aluminium, plastic and steel. More about Flokk designs its most sustainable chair to date from recycled materials
American architect David Rockwell has designed a collection of more sustainable office furniture for Benchmark that draws on the adaptability of his theatre set design. More about David Rockwell designs Sage office furniture to be more sustainable and adaptable
Creative networking organiser Glug has launched its #ProtestByDesign campaign that aims to create the world's biggest database of protest posters in support of the global climate strike today. More about Glug creates digital database of protest posters for today's climate strikes
Italian studio Carlo Ratti Associati has developed an orange juice bar that turns the waste fruit peel into 3D-printed bioplastic cups to drink the contents from, as an example of the circular economy in practice. More about Carlo Ratti's orange squeezer serves juice in bioplastic cups made from the peel
Engine noise, fumes and carbon emissions are all nonexistent with X Shore, one of the first electric boat-makers to target the consumer market. More about X Shore electric boats designed for emission-free sea travel
Dezeen promotion: sustainable designs from Rossana Orlandi's Ro Plastic Prize competition will be exhibited at Istituto Marangoni London as part of this year's London Design Festival. More about Designs from Ro Plastic Prize to be exhibited during London Design Festival
IKEA has committed to becoming a circular business by 2030, by eliminating waste and reusing resources. A year into the project, sustainability head Lena Pripp-Kovac tells Dezeen how they're getting on. More about "We're looking at a change of our total business" says IKEA sustainability chief Lena Pripp-Kovac
Imperial graduate Nicole Stjernswärd has invented Kaiku, a system that turns plants into powdered paint pigments using vaporisation technology. More about Kaiku turns fruit and vegetable waste into natural pigments
Footwear brand Allbirds uses merino wool to manufacture the textile uppers of its Wool Runners shoes, which also feature laces made from recycled plastic bottles and insoles produced using castor bean oil. More about Allbirds crafts shoes from renewable materials including wool and castor beans
Tech-based clothing startup Vollebak has launched a T-shirt made entirely from wood pulp and algae, which breaks down in soil or in a composter within three months. More about Vollebak's plant and algae T-shirt becomes "worm food" in 12 weeks
Waste heat from one of the London Underground's tube lines will be used to warm over a thousand homes in the UK capital from this winter. More about London Underground's waste heat to warm hundreds of homes
The minimalist LARQ bottle cleans itself using UV light, for people troubled by the hygiene of tricky-to-wash reusable water bottles. More about LARQ water bottle self-cleans using UV light
Fish with migration paths blocked by a dam can be shot over the top via the Whooshh Passage Portal technology after being sorted by artificial intelligence. More about Whooshh Passage Portal uses AI to shoot fish through a tube over dams
The city of Helsinki has revealed a first-of-its kind website meant to empower citizens, businesses and tourists to make more sustainable choices. More about Helsinki launches Think Sustainably digital service for residents and tourists
London College of Fashion graduate Chloe Baines has designed a collection of clothing and jewellery from the upcycled tents and metal pegs left after music festivals. More about Chloe Baines makes fashion collection from tents left behind at festivals
Textile design graduate Jasmine Linington establishes seaweed as a high-end fashion material with her collection of nature-derived couture garments. More about Jasmine Linington uses seaweed to make couture clothing
Music electronics brand House of Marley has created a pair of bamboo and recycled plastic earbuds as an "eco-conscious alternative" to plastic headphones. More about House of Marley's wireless earbuds are made from recycled materials and bamboo
Bacteria from a boggy World War Two bomb crater generate kaleidoscopic light forms inside this telescope-like tube by Dutch designer Teresa van Dongen.
More about Teresa van Dongen's Mud Well light uses microorganisms to create electricity
Designer Elissa Brunato has created the Bio Iridescent Sequin, a shimmering bead made from natural cellulose that is more sustainable than regular plastic sequins. More about Bio Iridescent Sequin made from trees responds to growing demand for greener fashion
Norway's consumer watchdog has criticised fast-fashion chain H&M for misleading marketing of its "sustainable" Conscious collection. More about H&M called out for "greenwashing" in its Conscious fashion collection