Change Quote by Martin Rees

The scientific evidence is now overwhelming: climate change presents very serious global risks, and it demands an urgent global response

— Nicholas Stern

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

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

— Ted Baillieu

I am gravely concerned about climate change.

— Sheldon Whitehouse

The scientific consensus is that climate change is real, urgent, and caused by humans. This science should be both supported and understood by anyone…

— Brian Schatz

I do absolutely believe that the climate is changing. I'm not prepared to determine causation.

— Kirstjen Nielsen

I am worried about climate change. In one respect, I may be more worried than other people. I am worried because I have very…

— Arnold Kling

Climate change - for so long an abstract concern for an academic few - is no longer so abstract. Even the Bush administration's Climate…

— Zac Goldsmith

The so-called scientific basis of the climate problem is within my professional competence as a meteorologist. It is my professional opinion that there is…

— Hendrik Tennekes

I have long been something of a climate-change sceptic, but my views in recent years have shifted. For me, the most convincing evidence that…

— Michael Hanlon

Climate changes are caused by solar radiation and other natural phenomena, so I don't worry one bit about that. Nothing we do can change…

— Varg Vikernes

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

— William Nordhaus