Tag: CO2

Fire retardants and soft drinks can help reduce CO2 levels. Why? Because they are made from algae. Now, a US startup is using the environmentally-friendly plant to produce organic, black printing ink. The algae is grown using sunlight, water and carbon dioxide from air. First, the natural blue pigment phycocyanin is extracted for use in food. Applying a process...

Sawdust makes for stylish furniture, while flags embedded with seeds have a blossoming afterlife. Now, a research team from the University of Virginia is creating building elements from soil impregnated with stonecrop seeds. The 3D printed, one-metre high walls are soon ablaze with lush green. These reusable structures are not only low in emissions but also store CO2, while...

Self-driving electric haulers could soon be hitting railway tracks. Meanwhile, an American startup has developed a system which removes CO2 from the atmosphere during rail traffic. Air flows in through an aperture on top of a container car stationed in between track vehicles. The CO2 is extracted and stored within a chamber, with clean air flowing out through the...

Cabbage, potatoes and carrots – a sustainable diet involves eating vegetables, right? There’s more to it than that. An American female-led startup is bucking the trend and making food from seaweed, working with farms run exclusively by women. Seaweed, also known as kelp, is climate-positive as it sequesters carbon dioxide. It is also a ‘zero-input’ food, meaning it needs...