It is disappointing to see councillor Derek Tipp's misleading defence of a lawsuit to prevent schoolchildren seeing Al Gore's documentary, An Inconvenient Truth (TES, September 14), go without rebuttal.
Tipp implies that the arguments put by the former US vice president are "propaganda" and "polemic" when they are, in fact, strongly supported by evidence. His assertion that the film is "in the opinion of many scientists... a 'dodgy dossier'" is true only if a handful of fringe scientists count as "many".
His own aside, that water vapour absorbs more heat than carbon dioxide, is an example of the level of intellectual honesty involved. Those who deny often resort to such red herrings because they cannot produce peer-reviewed research.
Gore's film clearly portrays him as a politician and contains points of view that can be sensibly debated. But this lawsuit is a shameful attempt to prevent the teaching of established scientific facts to a generation that will have the most need of them.
GTP trainee teacher, London