Hong Kong produces 120 tonnes of lignin a day from discarded wood – and chemicals derived from this waste can cut back on fossil fuel use.
As any geologist can tell you, fossil fuels are the remains of long-gone plants and animals, many of them predating the denizens of Jurassic Park. This raises an obvious question – since we now discard huge amounts of plant and animal waste, could we not use such material to displace fossil fuels as sources of energy as well as products such as plastics and flavourants?
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