Awareness Quote by Leonardo DiCaprio

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

— Barack Obama

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

Thousands of climate scientists agree that global warming is not only the most threatening environmental problem but also one of the greatest challenges facing…

— Leonardo DiCaprio

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

Our overriding environmental challenge tonight is the worldwide problem of climate change, global warming, the gathering crisis that requires worldwide action.

— William J. Clinton

Global warming may be a 'crisis,' even 'the most pressing environmental problem of our time.' ... Indeed, it may ultimately affect nearly everyone on…

— John Roberts

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

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

— Linda Thomas-Greenfield

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

Climate change is a global problem. The planet is warming because of the growing level of greenhouse gas emissions from human activity. If this…

— Malcolm Turnbull

Global warming is real and human activity is the main cause. The consequences are mainly negative and headed toward catastrophic, unless we act. However,…

— Al Gore