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From Tony Green

Ipswich, Suffolk

While burying excess carbon dioxide at sea seems superficially attractive
(This Week, 3 August, p 11), perhaps we should remember the lesson of Lake Nyos
in Cameroon before we proceed.

If anything, be it seismic activity, meteorological conditions or even
terrorist attack, should lead to a sudden release of stored CO₂, the
effects upon the marine ecosystem would be disastrous.

It is also not very pleasant to imagine the effect should a heavily packed
passenger ship be passing at the time. A sea of soda-water might provide an
interesting diversion for passengers and crew, but they certainly would not be
in a position to tell their grandchildren about it.