Alberta Carbon Market Woos Speculators as Asset Manager Piles In.

Companies including Shell Plc, oil sands producer Canadian Natural Resources Ltd. and Edmonton, Alberta-based power generator Capital Power Corp. use environmental credits to cover obligations under an Alberta emissions charge. Sales on the Alberta market are private and prices aren't publicly listed, though ClearBlue Markets said credits trade at about C$47.50 a metric ton -- a C$2.50 discount to the carbon price. [Extracted from the article]