St. Louis Zoo helps oryx species come back from near-extinction

The status of one species has gone from "extinct in the wild" to "endangered," thanks in part to the efforts of the St. Louis Zoo. The scimitar-horned oryx, a member of the antelope family, had stopped existing in its native ...

Migration can be a good thing for the environment. Here's how

Amsterdammers are proud of their city. But it turns out that people who have moved there from other parts of the world are just as concerned about keeping the place green and pleasant. We surveyed Amsterdam residents and ...

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