Am Quote by Freeman Dyson

Global warming isn't a prediction. It is happening.

— James Hansen

I think there is a degree of speculation that is satisfied the climate is changing.

— Ted Baillieu

The more unpredictable the world is the more we rely on predictions.

— Steve Rivkin

Attempts to estimate the impacts of climate change continue to be highly speculative.

— William Nordhaus

You always have to be worried about something that is considered a so-called 'scientific theory' that fits every scenario. Climate change, as they've defined…

— Ted Cruz

“mechanisms of weather predictions are very similar to those of climate predictions. So if we’re comfortable trusting local forecasters’ predictions about weather, we should…

— Heidi Cullen

“The reality is that the uncertainty involved means we do not know with precision whether we can achieve either of those goals; nor do…

— Michael R. Bloomberg

People are saying that they want be convinced [about global warming], perfectly. They want to know the climate science projections with 100 per cent…

— Gordon R. Sullivan

I know that the precise magnitude and patterns of climate change cannot be fully predicted. But global warming clearly is a growing, long-term threat…

— William J. Clinton

They're not predicting global warming based on what's happened in the past; they're basing it on what their computer predictions say, and nothing more.

— Rush Limbaugh

The scientists are really scared. Their [global warming] observations over the past two or three years suggest that everything is happening a lot faster…

— Gwynne Dyer

It is very difficult to make an accurate prediction, especially about the future.

— Niels Bohr