Brazil Quote by Al Gore

We have used the majority of our carbon budget and we are already at dangerous levels of CO2 concentrations, about 400 parts per million.…

— Graciela Chichilnisky

My view is that we don't know what's causing climate change on this planet. And the idea of spending trillions and trillions of dollars…

— Mitt Romney

If we don't start thinking big about the CO2 problem, we may miss our opportunity to stop a climate runaway that will trash the…

— William H. Calvin

We don't know what's causing climate change on this planet. And the idea of spending trillions and trillions of dollars to try to reduce…

— Mitt Romney

We are faced with an incredible challenge to curb our greenhouse-gas emissions around the globe. Everyone has to realize this and come to terms…

— Albert II, Prince of Monaco

CO₂ emissions anywhere threaten civilisation everywhere.

— Gore Vidal

“f we view climate changes as our enemy we will always be defeated, for climate will always change. Natural climate change is frequent, often…

— E. Kirsten Peters

We really need to kick the carbon habit and stop making our energy from burning things. Climate change is also really important. You can…

— David Attenborough

We have to face the reality of climate change. It is arguably the biggest threat we are facing today.

— William Hague

Make no mistake: Tackling climate change is vital. But to see everything through the lens of short-term CO2 reductions, letting our obsession with carbon…

— Alex Steffen

By burning fossil fuels, we are already dumping 30 billion tons of CO2 into the atmosphere every year, which has a profound effect on…

— Jeff Goodell

We must act to reduce the increasingly dangerous and destructive levels of carbon pollution that account for practically all of global climate change.

— Ted Lieu