The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

Sedona Launches 'Straw Free' Program

The Be Straw Free Campaign (U.S. National Park Service)

Straw Ban Arguments - Tablet Magazine

The Be Straw Free Campaign (U.S. National Park Service)

That 500 Million Straw Figure Was Created by a 9-Year-Old — Does

The Be Straw Free Campaign (U.S. National Park Service)

National Park Service on success using humor: Meet Matt Turner

The Be Straw Free Campaign (U.S. National Park Service)

Bering Land Bridge National Preserve

The Be Straw Free Campaign (U.S. National Park Service)

New National Parks Posters Keep the Spirit of the WPA Alive

The Be Straw Free Campaign (U.S. National Park Service)

What It Takes to Become a National Park Ranger - Thrillist

The Be Straw Free Campaign (U.S. National Park Service)

Terry Ann Stevens, Virginia Beach VA

The Be Straw Free Campaign (U.S. National Park Service)

Stop Sucking': Push To Replace Plastic Straws With Paper Ones

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

The Be Straw Free Campaign (U.S. National Park Service)

Steps to Make National Parks Plastic-Free · National Parks

The Be Straw Free Campaign (U.S. National Park Service)

That Scary Fact You've Read About Plastic Straws Might Not