It Has Been Argued That Cutting Old-Growth Forests and Replacing

question 49

Multiple Choice

It has been argued that cutting old-growth forests and replacing them with plantations of young trees would help to alleviate the threat of global greenhouse warming. What important fact does this argument ignore?

• A) Forests play too minor a role in global CO₂ dynamics, which are affected far more by marine algae.
• B) Young trees fix carbon at a lower rate per unit mass than old trees.
• C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years.
• D) Most of the young trees would die within a few years.

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