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...human diet, cellulose is mostly considered to be 'fibre' or 'roughage', which passes straight through the digestive system, where it is important for the system's correct functioning, but provides no nourishment. Clearly, for a herbivorous mammal that eats only plant material, there must be a way to digest cellulose - and that is the topic of the next section...Studying...

...resources worldwide and they are cheap. But they are, at the same time, a cause of our climate change problem. We will see whether or not this CCS will prove technologically sound and safe, if we can build the regulatory framework and if we can make it cost-effective when compared to other energy sources. If all these conditions are maintained, then CCS can have a future....