For kids animated about 25 yrs ago friendly things growing from the ground telling and showing you about what is killing the earth about pollution, what is it called

Referring to message before, I remember these things coming out of the ground like blob things not scary one bit but am sure they didn't really speak am not sure I could be wrong, but I remember them traveling the world and different pollutions that is damagein the world it's a cartoon type I was very young am 35 and am sure I was in between 5 and 10 please please try and help me remember what it is called would be a great pleasure if someone else knows what am talking about thank you xxx