Another block of host-read and produced ads between content segments.
Play episode from 38:02
chevron_right
Transcript
chevron_right
Transcript
Episode notes
In the 1970s, conservation groups around the world rose up to protect dwindling whale populations, some on the verge of extinction. They all worked under the same banner: Save the Whales! It turned out to be one of the most successful campaigns ever.
