"All things are difficult, before they are easy."

Globální problémy

DOKUMENT ZEMĚ: https://www.youtube.com/watch?v=XlTsyZQlqv0 (2 hod !!)

VODA:

https://www.youtube.com/watch?v=WHfB8_Xo0RQ (CZ, 2,5)

https://www.youtube.com/watch?v=iRGZOCaD9sQ (AJ, 4 min)

Globální problémy prezentace 20 min: www.youtube.com/watch?v=S7XoSli74tg

DEMOGRAFIE:

https://www.youtube.com/watch?v=dD-yN2G5BY0 (10 min)