The worlds largest carbon-trading market is still reeling from a 19 January shut-down after €30 million (US$41 million) in carbon credits was stolen from insecure accounts. The European Commission had to suspend immediate trading of allowances to emit carbon dioxide; only seven of the European market's 30 national registries have since opened up allowances for trading. Total traded volumes have not been dented, however, because most of the trading is based on the future price of allowances.
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