Two outstanding articles written by prof. Th. Lianos on overpopulation are initially cited in Greek (http://tovima.dolnet.gr/print_article.php?e=B&f=12737&m=A75&aa=1, http://tovima.dolnet.gr/print_article.php?e=B&f=13588&m=B68&aa=1).
Although most people (A.A.G. included) do not agree with the way ex USA vice-president Al Gore treats several matters (e.g. bombings), even him has admitted the gravity of the problem (http://www.peopleforlife.org/gore.html).
Brilliant relative articles are to be also found in the links:
while wikipedia (http://en.wikipedia.org/wiki/Overpopulation) criticizes as scientifically groundless the utopian view that overpopulation has an unlimited potential.