Independent. Member-supported.
For the Pacific Northwest.

Independent.
Member-supported.

Now you can support OPB as you drink coffee

We’ve partnered with Portland Coffee Roasters to bring you OPBEANS coffee! Each bag you buy helps support OPB’s independent journalism and programs for everyone. Pick up a bag today at select grocers, at Portland Coffee Roasters cafes or online.

Order now and learn more

Wildfire resources

OPB and KMHD events

OPB en Español

Think Out Loud

OSU researchers are working to make wood stoves burn more cleanly

By Gemma DiCarlo (OPB)

July 22, 2025 1 p.m. Updated: July 29, 2025 9:20 p.m.

Broadcast: Tuesday, July 22

📨 Daily news in your inbox

Sign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.

Email

Please leave this field blank

Tags: Think Out Loud, Osu, Environment

OPB is 100% funded by our community. Take action now to help ensure OPB's independent journalism and essential programs thrive for everyone.

Make a Sustaining contribution now

Manage My Membership

FCC Public Files

FCC Applications

Editorial Policy

Streaming Now

Here and Now

Switch Stream: