1995.

12.5 International Environmental Issues

LEARNING OBJECTIVES

By the end of this section, you will be able to:

• Explain biodiversity

• Analyze the partnership of high-income and low-income countries in efforts to address international

externalities

Many countries around the world have become more aware of the benefits of environmental protection. Yet

even if most nations individually took steps to address their environmental issues, no nation acting alone can

solve certain environmental problems which spill over national borders. No nation by itself can reduce

emissions of carbon dioxide and other gases by enough to solve the problem of global warming—not without

the cooperation of other nations. Another issue is the challenge of preserving biodiversity, which includes the

full spectrum of animal and plant genetic material. Although a nation can protect biodiversity within its own
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