Hannah Chinn

Thank you, Han, for bringing us this story. Anytime, Gina. If you liked this episode, make sure you never miss a new one by following us on whatever podcasting platform you're listening from. And if you have a science question you'd like us to investigate, send us an email at shortwave at npr.org.

Thank you, Han, for bringing us this story. Anytime, Gina. If you liked this episode, make sure you never miss a new one by following us on whatever podcasting platform you're listening from. And if you have a science question you'd like us to investigate, send us an email at shortwave at npr.org.

This episode was produced by Burleigh McCoy and edited by our showrunner, Rebecca Ramirez. Tyler Jones checked the facts. Kweisi Lee was the audio engineer.

This episode was produced by Burleigh McCoy and edited by our showrunner, Rebecca Ramirez. Tyler Jones checked the facts. Kweisi Lee was the audio engineer.

This episode was produced by Burleigh McCoy and edited by our showrunner, Rebecca Ramirez. Tyler Jones checked the facts. Kweisi Lee was the audio engineer.

Thank you for listening to Shortwave from NPR.

Thank you for listening to Shortwave from NPR.

Thank you for listening to Shortwave from NPR.

I am not in a forest, but I did report this story from somewhere that is wet, which is my home state of Oregon.

I am not in a forest, but I did report this story from somewhere that is wet, which is my home state of Oregon.

I am not in a forest, but I did report this story from somewhere that is wet, which is my home state of Oregon.

We drove out on a rainy day to the U.S. Forest Service's Dorena Genetic Resource Center. It's located in Cottage Grove, which is this small town that's a couple hours' drive from Portland. And the day I visited, the crew was pretty busy...

We drove out on a rainy day to the U.S. Forest Service's Dorena Genetic Resource Center. It's located in Cottage Grove, which is this small town that's a couple hours' drive from Portland. And the day I visited, the crew was pretty busy...

We drove out on a rainy day to the U.S. Forest Service's Dorena Genetic Resource Center. It's located in Cottage Grove, which is this small town that's a couple hours' drive from Portland. And the day I visited, the crew was pretty busy...

Packing up hundreds of baby Douglas fir trees into plastic bags and then big cardboard boxes.

Packing up hundreds of baby Douglas fir trees into plastic bags and then big cardboard boxes.

Packing up hundreds of baby Douglas fir trees into plastic bags and then big cardboard boxes.

So this is Michelle Osgood. She's the assistant horticulturist here at Dorena Genetic Resource Center. And she and her crew are taking all of these seedlings out of the greenhouse.

So this is Michelle Osgood. She's the assistant horticulturist here at Dorena Genetic Resource Center. And she and her crew are taking all of these seedlings out of the greenhouse.

So this is Michelle Osgood. She's the assistant horticulturist here at Dorena Genetic Resource Center. And she and her crew are taking all of these seedlings out of the greenhouse.