Business Green: The world’s first internet-based auction of UN-approved carbon credits was successfully completed yesterday with four anonymous buyers agreeing to acquire 255,592 certified emission reductions (CERs) at a price of 19.05 (£14.93) per tonne. Under the terms of the auction, the parties entered into a binding contract as soon as the auction closed and the CERs, which come from two biomass projects in Chile operated by forestry company Arauco, will be delivered within a few …