Challenges Quote by Ban Ki-moon

Climate change is probably the greatest long-term challenge facing the human race

— Tony Blair

We must turn the greatest collective challenge facing humankind today, climate change, into the greatest opportunity for common progress towards a sustainable future

— Ban Ki-moon

Climate change is a challenge for all of us all over the globe.

— Linda Thomas-Greenfield

[Fighting Climate Change] is important for every single person on the planet, which is why it has to be the greatest grassroots movement of…

— Emma Thompson

Climate change is the biggest governing challenge we face. It's the biggest governing challenge I think we've ever faced.

— Chris Hayes

Global climate change is one of the greatest challenges facing humanity in the twenty-first century.

— Angela Merkel

Solving the climate crisis is the greatest and most complex challenge that homo sapiens have ever faced. The main solution, however, is so simple…

— Greta Thunburg

The climate crisis is the greatest challenge humanity has ever faced. From not only the warming of the earth with higher global temperatures, but…

— Al Gore

The truth is that climate change is presenting the greatest challenge humanity has ever faced.

— Al Gore

Climate change is the Everest of all problems, the thorniest challenge facing humankind.

— Anonymous

Climate change is the sine qua non of continued civilization. We either solve this, or it's lights out. Turning into a collective like that…

— Margaret D. Klein

Climate change is, over the longer term, our greatest national security challenge. We have to do all we can to slow it down and…

— Wesley K. Wark