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.

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

What is a scientist after all? It is a curious man looking through a keyhole, the keyhole of nature, trying to know what's going on.

The real cure for our environmental problems is to understand that our job is to salvage Mother Nature. We are facing a formidable enemy in this field. It is the hunters... and to convince them to leave their guns on the wall is going to be very difficult.

People protect what they love.

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