SIR - Sir David Attenborough was quoted in the national press after addressing the UN from the People's Seat about the urgent need to control global warming. I need hardly add to what the great man says, but would add for those not already involved that Sir David also represents Population Matters who can be contacted on

Sir David is held in very high regard and speaks is an excellent ambassador for Population Matters,135 Station Road, London E4 6AG.

Graham Lund, Dalrymple Street, Girvan