Change Quote by Barack Obama

Our climate is changing. That's a fact, and we need to have a real debate about how we should respond to it.

— Conor Lamb

The debate is over. The scientific community has spoken in a virtually unanimous voice. Climate change is real. It is caused by human activity.

— Bernie Sanders

It should simply be an empirical matter whether the climate is changing or not and whether we're responsible. But the various sides of the…

— Ian Mcewan

Climate change: I say the debate is over. We know the science, we see the threat and we know that the time for action…

— Arnold Schwarzenegger

Climate change is a fact. Its consequences, damages and costs are already being felt around the globe.

— Heinz Fischer

We can debate this or that aspect of climate change, but the reality is that most people now accept our climate is indeed subject…

— Tony Blair

Every country now has its own domestic political debate about how to respond to climate change. This is where the action is.

— Dale Jamieson

The climate change argument is absolute crap

— Tony Abbott

There is no debate about whether or not climate change is happening. We will deal with it as a challenge. But we also take…

— Justin Trudeau

Climate change is a reality.

— Anonymous

The climate change debate is basically not about science; it is about ideology. It is not about global temperature; it is about the concept…

— Vaclav Klaus

The debate about climate change in many ways is tied to the petroleum industry. If the value of petroleum was considerably less than it…

— Chuck Klosterman