I hope this follows through to other (non US) jurisdictions, because I live in an economy massively distorted by the effects of the mining industry (they swung an election merely by spending $40m on advertising to avoid a petrol tax) on polity, and so if the miners are made to be honest about the risk exposure to AGW facing their shareholders, the relative merits of mining investment vs other forms of investment will be clearer.<p>Likewise property development. They need to be clear to what extent they're on the hook for sea level rise.