Change Quote by Bill Nye

The most serious problem facing humankind is climate change.

— Bill Nye

Climate change is happening. It's just not the end of the world. It's not even our most serious environmental problem.

— Michael Shellenberger

We're taking climate change seriously. But it's not the only environmental issue that we face as a planet.

— Andrew R. Wheeler

Climate change is not an environmental problem. It is a civilizational problem. Climate change is not just another issue. If it is not addressed…

— Ross Gelbspan

The destruction of aquatic ecosystem health, and the increasing water scarcity, are in my opinion the most pressing environmental problems facing human kind.

— Maude Barlow

Climate change is the biggest issue facing our planet. Extreme weather hit every populated continent in 2018, killing, injuring and displacing millions.

— Layla Moran

The most serious problem facing humankind is climate change. All of these people breathing and burning our atmosphere has led to an extraordinarily dangerous…

— Bill Nye

There are serious problems that have to do with the environment, that have to do with the way in which we live and consume.

— Donald Wuerl

Yes, climate is an issue and we are working to address it, but I think water is a bigger issue.

— Andrew R. Wheeler

I believe man-made climate change is one of the most serious threats that this country and this world face.

— David Cameron

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

Most people have thought of ... climate change as a problem about the environment that is separate and distinct from problems of human wellbeing.

— Naomi Oreskes