Failed to act quickly to crack down on dodgy Danish registry, say critics
Australia may have ditched its planned emissions trading scheme, but New Zealand prime minister John Key today confirmed the country will launch its scheme in July
As British officials confirm they have made 22 arrests, reports claim pan-European fraud has centred on lax Danish carbon registry
US futures exchange operator stakes claim for carbon market dominance
Offices of Deutsche Bank and RWE raided in investigation of €180m carbon fraud - both firms insist they are not the target of the probe
Proposed delay gets short shrift from European Commission
As carbon prices hit record high, France urges commission to go further in war on carbon fraud
Analysts report bullish sentiment across the carbon market as hedging season gets under way
But incomplete data makes it difficult for traders to draw conclusions over short-term market outlook
Nine arrested over alleged €50m carousel fraud