Wildlife Conservation Society

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Khulan Return

After a 65-year absence, they are back in Eastern Mongolia thanks to the creation of safe crossing points along the Trans-Mongolian Railway.

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Water Pollution

73% of the world’s ocean protected areas are polluted by sewage, a new WCS co-authored study says. Here’s how we are addressing the issue.

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Opening Doors

Our four zoos and our aquarium in New York City are more than cultural institutions. On a new podcast episode, hear about WCS’s Career Lattice Program and how it’s helping young people across the city turn early opportunities into meaningful careers.

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WCS Impact Report

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In the news

April 28, 2026 | Policy Options

On Environmental Crime

Canada should support a proposed UN agreement to strengthen international cooperation on environmental crime, argues an op-ed co-authored by WCS Canada's Justina Ray.

April 13, 2026 | The Washington Post

Wildlife Trade

It's fueling disease outbreaks across the globe. A new study reinforces that governments need to control, regulate and, in many cases, stop this trade, says WCS's Susan Lieberman.

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