Challenges Quote by Federico Pena

Climate change is a complex challenge, and one that will not be easily solved.

— Ed Davey

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

— Hu Jintao

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

— Angela Merkel

I believe that the problem of global climate change will ultimately spur our global society to respond and while the condition does not appear…

— Vinton Cerf

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

— Linda Thomas-Greenfield

...the world needs to face up to the challenge of climate change, and to do so now. It is clear that climate change poses…

— Gordon Brown

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

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

The climate challenge illustrates how we have to change. The developing countries need more support and opportunities to develop and use clean energy. Because…

— Gro Harlem Brundtland

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

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