Florida-based Saltwater Brewery has used by-products from the beer-making process to create six-pack rings that can safely be eaten by marine wildlife (+ slideshow). More about Saltwater Brewery's edible six-pack rings protect marine wildlife
Venice Architecture Biennale 2016: Danish studio EFFEKT has designed a self-sustaining, off-grid village of greenhouse properties, which it will present inside the Danish Pavilion during the Venice Biennale. More about EFFEKT designs ReGen Villages that could produce all their own food and energy
UK design graduate Sam Wrigley has launched a collection of designs that aim to make flat-pack furniture even more adaptable and easy to move (+ slideshow). More about Crisscross flat-pack furniture aims to be easier to take apart than IKEA's designs
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 about Triptyque overhauls 1970s office tower in Rio to make it more environmentally friendly
Amsterdam collective Fiction Factory has developed a modular building system of cardboard components, which can be assembled in just one day to form houses or offices (+ slideshow). More about Fiction Factory builds prototype for "groundbreaking" cardboard house
Milan 2016: Italian firm SET Architects has wrapped fabric around a steel framework to create an installation and temporary exhibition space for ceramic tile manufacturer Florim (+ slideshow). More about SET Architects' Album Bff016 installation doubles as a photography gallery
To celebrate Earth Day, we've put together some of the best examples of green and eco-friendly projects on Dezeen – from a vertical garden covering the side of a five-storey Parisian block, to a bikini designed to absorb pollution from the sea. See more sustainable design »
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Milan 2016: this cordless lamp generates its own electricity from bio ethanol, creating enough power to additionally charge a smartphone. More about Candela light by Francisco Gomez Paz combines eco-friendly fuel with LEDs and a phone charger
Milan 2016: products made from a new material that uses recycled poo are presented in darkened rooms with crap-covered floors at The Shit Evolution exhibition curated by the Museo Della Merda (+ slideshow). More about The Shit Evolution in Milan presents dung as a "beautiful" material
London firm Rogers Stirk Harbour + Partners has revealed details of a concept for a bamboo-framed vertical farm that could provide an alternative to traditional land-intensive farming. More about Rogers Stirk Harbour tackles global food crisis with vertical farm concept
The developers of a biodegradable urn that turns the ashes of a dead person into a tree have designed an incubator to aid the growth process (+ slideshow). More about Bios Incube turns ashes of cremated bodies into trees
Architecture firm Spark wants to use HDPE plastic waste to build a series of elevated beach huts resembling giant pine cones in Singapore. More about Spark unveils plans for colourful beach huts built from recycled ocean plastic
Taking influences from the vernacular houses of the southern US, this low-cost house in Houston by ZDES architects is designed to accommodate a family, but can be divided up to allow the owners to rent out private areas. More about Shotgun Chameleon house in Houston designed to help its owners offset their mortgage
US-based firm Kohn Pedersen Fox has envisioned a new district in Tokyo that includes a mile-high skyscraper and infrastructure elements that will protect the city from natural disasters (+ slideshow). More about KPF conceives futuristic new city quarter for archipelago in Tokyo Bay
One-minute movie: Pete Ceglinski and Andrew Turton's Seabin features a submersible pump that continuously sucks water into the device, separating rubbish and harmful liquids from seawater. More about Australian surfers design floating bin that filters rubbish from the ocean
An Australian duo have created a floating rubbish bin that can be installed in marinas to filter litter from the water (+ movie). More about Floating Seabin cleans the ocean by sucking rubbish from the water
This bikini is made from a sponge-like material that repels water but absorbs oils, designed to help filter impurities from water and turn swimming to an "eco-friendly activity". More about Sponge bikini is designed to absorb pollution from the sea
Architecture firm SOM has completed the first public school in New York City that generates as much energy on site as it consumes (+ slideshow). More about SOM designs first net-zero energy school in New York City on Staten Island
Sports brand Adidas has created a concept trainer with an upper made using waste plastic filtered out of the oceans and a 3D-printed midsole created from recycled fishing nets. More about Adidas combines ocean plastic and 3D printing for eco-friendly trainers
Half greenhouse, half rust-coloured barn, this spa and events space by Tailor Made Arkitekter stands on the edge of Lake Vättern in southern Sweden (+ slideshow). More about Tailor Made Arkitekter merges an archetypal barn with a glasshouse for lakeside spa in Sweden