Oil industry and climate change

Sir, – Martin Wolf rightly warns that effective global action to limit climate change would necessarily spell ruin for investors in fossil fuel industries ("A climate fix would ruin investors", June 18th).

However he neglects to mention the unfortunate flip-side of this bet – that continued failure of global climate action spells absolute ruin for us all. This yields as clear a “lose-lose” wager as one can imagine.

With all due respect to Mr Wolf’s undoubted expertise, it seems to me that the wise investor should dump her fossil fuel portfolio as soon as possible – before the rush starts! – Yours, etc,

Prof BARRY McMULLIN,

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Faculty of Engineering

and Computing,

Dublin City University,

Glasnevin, Dublin 9.