If Aecom wants to get water from Scotland to south east England (NCE 18 October) it would do better to avoid the Pennines and stick to eastern England which is a lot flatter.
If they could get to the Oxford Canal near Fenny Compton, 10km north of Banbury, it is downhill all the way to the Thames at Oxford. Simpler still to pump water from the Severn above Gloucester into the headwaters of the Thames.
It is high time the problem was looked at nationally and money invested in solutions.
David HT Smith, The Thursfield Smith Consultancy, 25 Grange Rd. Shrewsbury SY3 9DG