Back in 1948 a group of women integrated a Kansas grade school five years before Brown v Board by not taking no for an answer.

What I said was, this is wrong and we're going to do something about it. You wait and see.

Listen to a people's history of Kansas City from K-C-U-R, part of the NPR Network.

According to the Center for Biological Diversity, more than 1 million species could go extinct in the coming decades.

And when a species goes extinct, there's consequences for our entire ecosystem. The effects can

be dire for those that depend on those species to survive.

It's been 50 years since Congress passed the Endangered Species Act in 1973

to protect plants and animals in the US from extinction.

Over 99% of the more than 1,600 species listed as endangered or threatened have survived.

But the work to protect our nation's biodiversity is far from over.

The U.S. Fish and Wildlife Service announced that it was delisting 21 species from the Act

due to extinction.

It included one species of bat and ten kinds of birds. To mark the 50th anniversary of the

landmark legislation we present our series S.O.S. Save our species. Throughout the series

we discuss endangered keystone species and what it takes to save them.

But 50 years later, what has the Endangered Species Act accomplished?

And how should we think about the next 50 years of conservation?

We get into all those questions after this short break.

I'm Jen White. You're listening to the 1A podcast where we get to the heart of the story.

Stay with us. We've got a lot to get to. Support for this podcast and the following message come from Wise, the app that makes

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