Better Quote by Alan Lowenthal

Evidence of warming is not evidence that the cause is anthropogenic.

— Fred Singer

Faced with the evidence, many deniers have started to admit that global warming is real, but argue that humans have little or nothing to…

— David Suzuki

Significant new peer-reviewed research has cast even more doubt on the hypothesis of dangerous human-caused global warming.

— Antonino Zichichi

How is it that, in the face of overwhelming scientific evidence, there are still some who would deny the dangers of climate change? Not…

— Nicholas Stern

There is still zero empirical evidence that anthropogenic production of CO2 is making any measurable contribution to the world's present warming trend.

— Alexander Cockburn

I absolutely do not believe in the science of man-caused climate change.

— Ron Johnson

There is no experimental data that exists that supports the view that the Earth's climate is changing in any dangerous way.

— Willie Soon

...there is no substantive basis for predictions of sizeable global warming due to observed increases in minor greenhouse gases such as carbon dioxide, methane…

— Richard Lindzen

"not a scientific body capable of accurately assessing the facts about global warming".

— Vaclav Klaus

Some folks believe that global warming doesn't exist and that the environment doesn't need any help. I tend not to listen to them.

— Robert Wagner

I am appalled at the state of discord in the field of climate science. There is no observational evidence that the addition of anthropogenic…

— George T Wolff

Those who say that climate change doesn't exist are being understood as the flat-earthers that they are, as the people who deny the link…

— Nicholas Stern