A Quote by James Hansen

The evidence for human-made climate change is overwhelming. — © James Hansen
The evidence for human-made climate change is overwhelming.
Debating, doubting, or rejecting the basic scientific facts about climate change in the face of the overwhelming evidence and overwhelming scientific opinion will not change those facts.
Climate change - for so long an abstract concern for an academic few - is no longer so abstract. Even the Bush administration's Climate Change Science Programme reports 'clear evidence of human influences on the climate system.'
We seriously have to question the motivation of those people referred to as climate change sceptics, who are denying the evidence of human-caused climate change and preventing us from moving forward by spreading disinformation and supporting unchecked carbon pollution.
The scientific evidence is now overwhelming: climate change presents very serious global risks, and it demands an urgent global response.
I am persuaded to think that any climate change is bad because of the investments and adaptations that have been made by human beings and all of the things that support human existence upon this globe. Even minor fluctuations of climate could change the distribution of fish, … upset agriculture,…and inundate costal cities…… Such changes could occur at a faster rate perhaps than human society can evolve.
I am not a global warming sceptic. I accept that rising human-caused CO2 from fossil sources could 'change the climate'. The basic physics is there to support this view. But where is the evidence that the putative change would be large or damaging?
I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even if you doubt the evidence, providing incentives for energy-efficien cy and clean energy are the right thing to do for our future -- because the nation that leads the clean energy economy will be the nation that leads the global economy. And America must be that nation.
How is it that, in the face of overwhelming scientific evidence, there are still some who would deny the dangers of climate change? Not surprisingly, the loudest voices are not scientific, and it is remarkable how many economists, lawyers, journalists and politicians set themselves up as experts on the science.
There is good evidence that the catastrophist framing of climate change is self-defeating because it alienates and polarizes many people. And exaggerating climate change risks distracting us from other important issues including ones we might have more near-term control over.
Because the idea of climate change is so plastic, it can be deployed across many of our human projects and can serve many of our psychological, ethical and spiritual needs...We need to ask not what we can do for climate change, but to ask what climate change can do for us.
Despite the international scientific community's consensus on climate change, a small number of critics continue to deny that climate change exists or that humans are causing it. Widely known as climate change "skeptics" or "deniers," these individuals are generally not climate scientists and do not debate the science with the climate scientists.
Research data on climate change do not show that human use of hydrocarbons is harmful. To the contrary, there is good evidence that increased atmospheric carbon dioxide is environmentally helpful.
This isn't about 'causality' but about 'influence'. The evidence is clear that human-induced climate change is influencing the drought, no matter the cause.
Those who deny human-caused climate change offer no compelling evidence to better explain the undeniable rise in atmospheric concentrations of greenhouse gases and global temperature.
Now it is the least developed world who are not responsible for this climate change phenomenon that bore the brunt of climate change consequences so it is morally and politically correct that the developed world who made this climate change be responsible by providing financial support and technological support to these people.
It's very hard to track down what's real and what's not real. We haven't absorbed what climate change is doing. Because whether people associate it or not, fear of immigration is completely related to climate change, because the mass migrations that are happening, the war in Syria, all of these structural human migrations are related to climate change.
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