Global warming
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the possible effects of global warming? Read this book to learn more about the global warming debate and to start forming your own opinions.
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| Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
Cherry Lake Publishing
2008
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| Series: | 21st century skills library. Global perspectives |
| Subjects: |