The scientific evidence is now overwhelming: climate change presents very serious global risks, and it demands an urgent global response — Nicholas Stern Copy Share Image
The forcings that drive long-term climate change are not known with an accuracy sufficient to define future climate change. — James Hansen Copy Share Image
Most of the Republican Party denies climate change and has fought all efforts to address it. — Jack Schlossberg Copy Share Image
The report on climate change said that humans are very likely making the planet warmer. To which Hillary Clinton said, 'Hey, can't… — Jay Leno Copy Share Image
What's now urgently needed [to stop environmental disaster] is the international political commitment to take action to avoid dangerous climate change. — David Miliband Copy Share Image
We need a proper understanding of the past to correctly judge the present if we ever are to foretell the future. — Craig D. Idso Copy Share Image
Do politicians understand just how difficult it could be, just how devastating rises of 4C, 5C or 6C could be? I think,… — Nicholas Stern Copy Share Image
...this was the moment when the rise of the oceans began to slow and our planet began to heal... — Barack Obama Copy Share Image
We have to overthrow the idea that it's a diversion from 'real' work when scientists conduct high-quality research in the open. Publicly… — Michael Nielsen Copy Share Image
How is it that, in the face of overwhelming scientific evidence, there are still some who would deny the dangers of climate… — Nicholas Stern Copy Share Image
Our economic system, run for profit and waste and based primarily on the extractive industries, is the cause of climate change. We… — Vivienne Westwood Copy Share Image
Kyoto is likely to yield far less than the targeted emissions reduction. That failure will most likely be papered over with creative… — Henry Sylvester Jacoby Copy Share Image
Either the Earth System would undergo major phase transitions as a result of unchecked human pressure on nature's capacities and resources or… — Hans Joachim Schellnhuber Copy Share Image
We cannot afford to put off change any longer. We have to get on a new path within this new administration. We… — James Hansen Copy Share Image
If humans weren't here and we didn't care about anything that lives here, if this were a video game, I'd push the… — Richard Alley Copy Share Image
“The impact on our health barely rates any media coverage, even though that’s the part of a changing climate that will hit… — Linda Marsa Copy Share Image
Green is not just about renewable energy. It's also about creating a new direction for the whole economy. This requires government to… — Mariana Mazzucato Copy Share Image
Do I think that people should in the best of all possible worlds have to go to jail for wanting the US… — Bill McKibben Copy Share Image
“Intense sunlight rained down on a half-submerged city. Waves crashed between buildings that stood like waterlogged tombstones. Skyscrapers of smashed glass and… — Kev Heritage Copy Share Image
An outdated view still prevails that a low-carbon lifestyle requires immense personal suffering and sacrifice. In my view, nothing could be further… — Mark Lynas Copy Share Image
“The 928 papers were divided into six categories: explicit endorsement of the consensus position, evaluation of impacts, mitigation proposals, methods, paleoclimate analysis,… — Bill McKibben Copy Share Image
It is one thing to impose drastic measures and harsh economic penalties when an environmental problem is clear-cut and severe…It is foolish… — Frederick Seitz Copy Share Image
I do remain optimistic that one day the world will realise that carbon dioxide is more of a friend than an enemy… — Nick Minchin Copy Share Image
It's a common perception that science and religion are mutually exclusive. But there are many scientists who would consider themselves to be… — Katharine Hayhoe Copy Share Image
I am convinced that climate change represents a historic opportunity on an even greater scale. — Naomi Klein Copy Share Image
In reality, climate change is actually the biggest thing thats going on every single day. — Bill McKibben Copy Share Image
I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait… — Thomas A. Edison Copy Share Image
Global climate change needs global action now. The alarm bells ought to be ringing in every capital of the world. — John Gummer Copy Share Image
Those who do not think religious organizations should have an opinion on climate change misunderstand the former and the moral dimension of… — Blase J. Cupich Copy Share Image
Mr Howard's problem is for so long he's been a climate change sceptic, how can he, therefore, put himself to the country… — Kevin Rudd Copy Share Image
The oncoming trouble I speak of is climate change. It's going to affect all of you in the same way the Second… — Bill Nye Copy Share Image
I don't believe that there is anybody who denies climate change in the Democratic caucus. Everybody accepts that it is a real… — Sheldon Whitehouse Copy Share Image
It appears that President Obama is making great progress on climate change, he is changing the political climate in the country back… — Tim Pawlenty Copy Share Image
The U.K. has been at the forefront of developing the climate change policy architecture that can ensure climate action is integrated into… — Ed Davey Copy Share Image
Climate change is putting pressures on the resources we need to survive: water; agricultural land; food. — Ed Davey Copy Share Image
My friends, this body - perhaps more than any other gathering in human history - now faces that difficult task. — Leonardo DiCaprio Copy Share Image
According to any textbook on dynamic meteorology, one may reasonably conclude that in a warmer world, extratropical storminess and weather variability will… — Richard Lindzen Copy Share Image
Climate change poses tremendous threat to water resources, as there is inconsistency in the rains. — Johan Rockstrom Copy Share Image
Global warming is too serious for the world any longer to ignore its danger or split into opposing factions on it. — Tony Blair Copy Share Image
Climate change is the greatest threat to our existence in our short history on this planet. Nobody's going to buy their way… — Mark Ruffalo Copy Share Image