The biggest obstacle was mixing abortion with overpopulation. These are two things that have nothing to do with each other.

Water and air, the two essential fluids on which all life depends, have become global garbage cans.

People protect what they love.

The awareness of our environment came progressively in all countries with different outlets.

To yackety-yak about the past is for me time lost. Every morning I wake up saying, 'I'm still alive -- a miracle.' And so I keep on pushing.

For most of history, man has had to fight nature to survive; in this century he is beginning to realize that, in order to survive, he must protect it.