Challenges Quote by Al Gore

I have reiterated on many occasions that climate change is going to be the biggest challenge.

— M. K. Stalin

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

— Tony Blair

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

— Angela Merkel

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

— Linda Thomas-Greenfield

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

— Chris Hayes

The truth is that we're at a critical juncture in the history of our species and if we don't act soon, we could inhabit…

— Al Gore

Global climate change has a profound impact on the survival and development of mankind. It is a major challenge facing all countries.

— Hu Jintao

Few challenges facing America and the world are more urgent than combating climate change. The science is beyond dispute and the facts are clear.

— Barack Obama

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

Global warming is not just the greatest environmental challenge facing our planet - it is one of our greatest challenges of any kind.

— Barack Obama

We need every person on Earth to acknowledge that climate change is real and encourage each other and our leaders to address the challenge.

— Richard Branson

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