Century Quote by Angela Merkel

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

— Hu Jintao

Climate change is the greatest threat to humanity, perhaps ever. Global temperatures are rising at an unprecedented rate, causing drought and forest fires and…

— Cary Kennedy

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

— Tony Blair

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

— Linda Thomas-Greenfield

Climate change is the world's greatest environmental challenge. It is now plain that the emission of greenhouse gases, associated with industrialization and economic growth...is…

— Tony Blair

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

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

— Barack Obama

I do not underestimate the difficulty of the challenge that global climate change presents to us. It will take a significant effort and the…

— Federico Pena

Despite widely differing perspectives and agendas, there seems to be a remarkable global consensus that has built up over a fairly short period of…

— Azim Premji

Global warming is not only the number one environmental challenge we face today, but one of the most important issues facing all of humanity...…

— Leonardo DiCaprio

Climate change is the greatest threat to our common future. We have a very short period of time to tackle the problem before it…

— Chris Huhne

Climate change is the greatest threat to human rights in the 21st century.

— Mary Robinson