To Protect and Preserve
- Episode aired May 19, 2018
- PG
- 20m
A Seattle zoo teaching citizen scientists how to protect the habitat; The future of affordable textbooks for college students; Hurricane heroes from Houston.A Seattle zoo teaching citizen scientists how to protect the habitat; The future of affordable textbooks for college students; Hurricane heroes from Houston.A Seattle zoo teaching citizen scientists how to protect the habitat; The future of affordable textbooks for college students; Hurricane heroes from Houston.