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Published in 2017
What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know about reefs and the tiny animals—polyps—that build them? Learn all about coral and why warming waters threaten the future of the reef ecosystem.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
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Learn how reducing, reusing, and recycling can help you, your community, and the environment by saving money, energy, and natural resources. Recycling programs are managed at the state and local level—find information on recycling in your community.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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