Independent. Member-supported.
For the Pacific Northwest.

Independent.
Member-supported.

Your Voice Matters.

Will you help shape the future of OPB by taking our short six-question survey? It only takes a few minutes, and your input help will help us serve you better — tell us what matters most to you.

Take the Survey

OPB and KMHD events

OPB en Español

science environment

Study: Coal Trains Pollute More Than Diesel Trains Into The Columbia Gorge

By Eric Tegethoff (OPB)

Nov. 24, 2015 1:45 a.m.

📨 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: Science & Environment, News, Environment, Local

Federal funding for public media has been eliminated. Take action now and protect OPB's independent journalism and essential programs for everyone.

Make a Sustaining contribution now

Manage My Membership

FCC Public Files

FCC Applications

Editorial Policy

Streaming Now

BBC Newsday

Switch Stream: