Challenges Quote by Ban Ki-moon

Climate change...is, simply, the greatest collective challenge we face as a human family.

— Ban Ki-moon

“But this isn’t just a law enforcement challenge. It is your challenge. It is our collective challenge—as lawyers, as concerned citizens, as Americans. Because…

— Historica Press

Building sustainable cities - and a sustainable future - will need open dialogue among all branches of national, regional and local government. And it…

— Ban Ki-moon

In some ways more painful is the fact that their experience appears to be fading from the collective memory of humankind. Having never experienced…

— Tadatoshi Akiba

Not only did secular scientists rout the Christian fundamentalists, they placed themselves in the posture of knowing more, on the basis of their own…

— Vine Deloria Jr

There is as yet no civilized society, but only a society in the process of becoming civilized. There is as yet no civilized nation,…

— Felix Adler

Human beings are not inevitable, and our brief existence is not preordained to be extended into the distant future. If Homo sapiens is to…

— Jeff Schweitzer

There is no sustainable future for fisheries as long as human populations continue to increase.

— Paul Watson

I would like to call on young people to commit themselves to activities that contribute toward achieving their long-term dreams. They have the energy…

— Wangari Maathai

As we develop our energy policies in the United States to generate our energy clean, then I think we're going to really move to…

— Alan Mulally

Fundamentally transforming the foundations of the economy is the biggest contribution we can make towards building a sustainable future. The current economic crisis may…

— Jonathon Porritt

I really hope that we'll have a sustainable future on this planet, I really do. So I probably geek out mostly about learning more…

— Ellen Page