Many countries are investing in techniques of utilising CO2 for manufacturing processes – but UK is getting left behind. Passing carbon dioxide through slag left over from steel-making turns the waste product into a strong material that can be used for construction. Pumped into greenhouses, it provides a growing boost for crops. Put into tanks of algae, it can be used to make biofuels. Waste carbon dioxide can even be cleaned up to "food grade" and injected into fizzy drinks. Read more
Recycling
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