Cap-and-trade in action
With 100,000 allowances each, Kestrel emits 120,000 tonnes and needs 20,000 allowances; Lumen emits 80,000 and can sell or bank 20,000.
Open the full-size image to zoom in, or download it to keep and print.

Read the visual guide description
With 100,000 allowances each, Kestrel emits 120,000 tonnes and needs 20,000 allowances; Lumen emits 80,000 and can sell or bank 20,000. At $40 each, Kestrel’s purchase costs $800,000. Compare the marginal cost of reducing emissions.
