The first talk of the winter season entitled "Change in the Tay Estuary and its catchment" will be given by Professor John McManus, Emeritus Professor of Geology, University of St Andrews who, when he was at the University of Dundee, did an extensive study of the Tay Estuary. The talk is open to all and will be held in the Education Centre at the Botanic Garden on Wednesday 19th November at 7pm (note change of starting time).