Energy efficiency

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Lopwood and brushwood make high-grade charcoal

When the forestry machines have finished extracting timber, what is left are tops and branches – waste which cannot be used. However, according to researchers, it is possible to turn these heaps of lopwood into high-quality charcoal.

The 80 per cent solution

By recycling used water, we can live with just a couple of buckets of fresh, clean water a day, while the rest of our water will come from recycled sources.