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Diminishing diversion

Efforts are underway to remove CO2 from seawater. Shipping is currently responsible for around 3% of greenhouse gas emissions - a figure that is on the rise. For our planet every reduction counts. Which explains why a female-led startup from London has developed a system that removes up to 95% of the carbon dioxide generated by a ship’s engine....

Constructive closure

The right scaffold can improve deteriorating eyesight. If a heart valve stops working, it’s usually replaced. One made from animal tissue might only last a decade. Metal varieties require patients to take medication all their lives. But, according to an English research team, there is another way. Banking on the body’s powers of regeneration, the team has developed a...

Reactive conversion

Sustainable food can be conjured out of thin air. Now a Hamburg-based startup has used CO2 to manufacture oil alternatives. CO2 is placed in a bioreactor with different bacteria and converted into oil. Using yeast makes the oil suitable for cosmetic or cleaning products; oxyhydrogen bacteria, meanwhile, means it can be used for sustainable aviation fuel (SAF), lubricant or...

Resourceful exchange

In India, leaves are being converted to fertiliser and farm stubble used to make packaging material - instead of being burned. Organic waste can be used in a variety of sustainable solutions. But what if you lack the material to implement a solution in practice? Enter a US-based startup and their platform which allows biological waste to be both...

Pleasant extract

Sustainable toilet paper made from oranges and aloe vera is helping to seed flowers. Meanwhile sanitary towels and pantyliners can be manufactured using banana fibres. And now, a female-led startup in Berlin is making nappy liners and tampons from seaweed. Dried brown algae is ground into powder and an off-white substance extracted from it. It is free from heavy...

Sealed step

A glassy mousse-like mineral powder can insulate houses without using oil-based materials. Shoe soles, however, are still mainly composed of plastic. Enter a Canadian startup aiming to cushion our steps sustainably while recycling a precious resource: wine corks. After years of research, its product is now ready to hit the market. Both recycled corks and the waste from cork...

Collective spectacle

Sweet coffee cups provide a solution to throwaway culture. Coffee grounds, meanwhile, are an effective substitute in the construction industry. And as a startup from Ukraine has recently proved, they have other uses too. In this case, as spectacle frames. The team collects the grounds from cafes in Kyiv. After they’ve been dried, the grounds are mixed with natural...

Shred to put on

Coffee grounds are a key ingredient in sustainable concrete, while tiles made from eggshells are perfect for naturally-made interior fittings. Corn cobs, too, can help reduce CO2 emissions in the building trade. A Dutch startup shreds dried corn waste and presses the scraps mixed with binding agent into panels at temperatures of up to 150 degrees. These panels are...

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