Mankind has probably done ...

Mankind has probably done more damage to the Earth in the 20th century than in all of previous human history.
Mankind has probably done more damage to the Earth in the 20th century than in all of previous human history.
 Jacques Yves Cousteau

More phrases

Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
The same mentality that leads to environmental despoliation, environmental destruction, also leads to damage to people.
 Naomi Oreskes
You can't break poor people mentality. Once you grow up poor, you don't take anything for granted. It can have the negative side also because you can never truly be relaxed.
 Will Smith
The man with the average mentality, but with control, with a definite goal, and a clear conception of how it can be gained, and above all, with the power of application and labor, wins in the end.
 William Howard Taft
I think society had to grow up to the mentality of Peter Norman.
 John Carlos

Quotes from the same author

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.
 Jacques Yves Cousteau
The biggest obstacle was mixing abortion with overpopulation. These are two things that have nothing to do with each other.
 Jacques Yves Cousteau
The United Nation's goal is to reduce population selectively by encouraging abortion, forced sterilization, and control of human reproduction, and regards two-thirds of the human population as excess baggage, with 350,000 people to be eliminated per day.
 Jacques Yves Cousteau
It is certain that the study of human psychology, if it were undertaken exclusively in prisons, would also lead to misrepresentation and absurd generalizations.
 Jacques Yves Cousteau
We are living in an interminable succession of absurdities imposed by the myopic logic of short-term thinking.
 Jacques Yves Cousteau