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Many ________ groups now support putting a value on ecosystems.

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Police are _____ significant progress in fighting computer crime.

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People are destroying the environment by adding ___________ to it.

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

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15,589 species (7,266 animal species and 8,323 plant species) are now considered ______ risk ______ extinction.

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

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Clearing forests for timber has led ________ the loss of biodiversity.

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