Crisis Quote by 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 climate crisis is both the easiest and the hardest issue we have ever faced. The easiest because we know what we must do.…

— Greta Thunburg

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

— Angela Merkel

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

— Tony Blair

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

— William J. Clinton

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

— Ed Davey

The solution to climate change is staring us in the face. It's energy policy. If we pursue a global clean-energy economy, we can cut…

— John F. Kerry

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

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 most serious problem facing humankind is climate change.

— Bill Nye

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

Solve global warming, eliminate the nuclear threat, and we will still have to confront the vastness of our species and the way it diminishes,…

— Verlyn Klinkenborg