An Indian company called Graviky Labs has developed a technique that enables them to convert soot-based gases into a usable ink for pens, markers or spray paints. The main piece of their appeal was that this will decrease air pollution overall since it can be processed into a separate compound that has a demand for its use. Of course there is a practical issue with that message. Unless this is deployed to a large number of vehicles or refineries it will only be a small bump in a massive crowd. If it could somehow siphon it from the atmosphere it would be far more effective but this remains to be seen. So in the meantime enjoy some pollution provided artwork!
The Technical Research Centre of Finland (VTT) has invented a biologically-derived cellulose (called HefCel) substance to create food pouches that can be biodegradable. The cellulose is specifically nanocellulose which they have demonstrated they can produce at a lower and more affordable cost. It also stands up to tests against its durability. As the market for stand up pouches grows so too will the need for the production of their plastics and that means more unsustainable plastic and more coal and gas to help make it.
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Tome of Trovius 