1
A better future for the planet earth . 4 . Lectures and essays by the winners of the Blue Planet Prize (2007-2011) /
Book
...UCA - Environmental problems, man and environment - general aspects...
Table of Contents 
2
A better future for the planet earth. 1-4. Lectures and essays by the winners of the Blue Planet Prize (1992-2011) [DVD]
DVD
2013
...UCA - Environmental problems, man and environment - general aspects...
3
A better future for the planet earth . 3 . Lectures by the winners of the blue planet prize (2002-2006) /
Book
...UCA - Environmental problems, man and environment - general aspects...
Table of Contents