The five-year mean global temperature has been flat for…

The five-year mean global temperature has been flat for the last decade

— James Hansen

Our analysis shows that, for the extreme hot weather of the recent past, there is virtually no explanation other than climate change. The deadly…

— James Hansen

It has become very difficult for anyone to argue that observed global warming is natural variability. We have good reason for being able to…

— James Hansen

Each year we pump at least six billion tons of heat-trapping carbon into the innermost layer of our atmosphere, whose outer extent is only…

— Ross Gelbspan

Earth has cooled since 1998 in defiance of the predictions by the UN-IPCC…The global temperature for 2007 was the coldest in a decade and…

— Richard Keen

The simple fact is that, since the beginning of this century, the average global temperature has flatlined; indeed, over the past 18 months it…

— Peter Lilley

“The same kind of situation complicates many public debates, like that over global warming. Many scientists predict that altered atmospheric conditions will raise the…

— Robert M. Hazen

The reality is that no country's actions alone will create the impact required to limit global temperature rise to 2 degrees Celsius - we…

— Ed Davey

Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to rise…

— Carl Sagan

“If the global temperature rises by only four degrees Celsius over the next fifty years—and it’s probably going to do that—then all of the…

— Ned Hayes

The impact of the Kyoto Protocol on global temperature is quite modest, especially for the first century. The reduction in global mean temperature in…

— Henry Sylvester Jacoby

Back in 2005, when I was Christopher Eccleston, we saw one of the largest increases on record, of CO2 in the atmosphere. Unless we…

— David Tennant

“What is the Paris Climate Agreement? 195 countries signed a pledge to keep global temperature rise below 2°C (3.6°F), and, if possible, below 1.5°C…

— Al Gore

“Global temperature and GDP are both rising, and each affects the other… We have to find the right balance between the two factors. If…

— Bjorn Lomborg

“Why in the decade following 1990, were the number of ground temperature stations selected to calculate global temperature reduced from the available 14,000 to a mere 4,000? •    ”

— Alan Carlin