The area where we live is rich in ancient woodlands and, at this time of year, it is a delight to witness our hillside change colours: the lush greens of Summer are now being replaced by the golden and rusty tones of Autumn. It is a beautiful scene that not only takes my breath away but also offers a wisdom to me.

This show of yellows, oranges and reds is an indication that trees are responding to the weakening power of the sun, the shorter days and the dropping air temperature. In preparation for Winter when there is not enough …