Re "Carbon tax is best remedy" (Letters, March 12): Carbon tax is no solution. It merely allows an industry that produces too much carbon to offset its by using unused carbon points of another industry and paying a tax on that, which tax is supposedly used for green energy.
It would only work if green energy could fully replace the excess carbon that is taxed. Someone suggested that carbon tax is like an unfaithful husband buying his wife an expensive diamond ring.
-- Arthur Olive, Lincoln