The signatories to the Kyoto Protocol agreed to use a(n) ________ to reduce the cost of achieving their commitments.
A. life-expectancy system
B. emissions permit trading system
C. greenhouse gases reporting system
D. command-and-control system
Answer:B
The signatories to the Kyoto Protocol agreed to use a(n) ________ to reduce the cost of achieving their commitments.
A. life-expectancy system B. emissions permit trading system C. greenhouse gases reporting system D. command-and-control system