Biosfera Delta Po https://www.youtube.com/watch?v=UDrYq93uil4&t=1s
Sviluppo https://www.youtube.com/watch?v=5vIcE6AvXLo&t=75s
Natura https://www.youtube.com/watch?v=UmGiQkkEuGQ&t=62s
50th anniversary of the Man and the Biosphere programme (MAB) https://www.youtube.com/watch?v=lsmq33gajTY
ABOUT UNESCO: United Nations Educational, Scientific and Cultural Organization. https://www.youtube.com/watch?v=6OmUs5rEQ_o
Learning to protect biodiversity https://www.youtube.com/watch?v=kHhspf5IfdE
Biosphere reserves in a nutshell https://www.youtube.com/watch?v=Gkzar079rKI