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It is high time we had to ________ some measures to protect endangered animals.

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Saving _________ species from becoming extinct is crucial for our health and the future of our children.

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Our sources of energy will soon be __________ if we don't save them.

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Many ________ groups now support putting a value on ecosystems.

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Internationally, 189 countries have signed ________ accord agreeing to create Biodiversity Action Plans to protect endangered and other threatened species.

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The giant panda's natural ________ is the bamboo forest. Giant pandas like to eat bamboo leaves.

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_________ so much, the doll is still on the shelf.