...the global surface albedo [surface whiteness] and greenhouse gas changes account for practically the entire global climate change. — James Hansen Copy Share Image
Global climate change has a profound impact on the survival and development of mankind. It is a major challenge facing all countries. — Hu Jintao Copy Share Image
What degree of proof about the human catastrophe from global climate change do we need, before we are motivated to act to… — Eric Chivian Copy Share Image
The global climate is a complex interactive system, with all kinds of nonlinear feedback loops. — Alex Shoumatoff 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
Global climate change is one of the greatest challenges facing humanity in the twenty-first century. — Angela Merkel Copy Share Image
Often times when you face such an overwhelming challenge as global climate change, it can be somewhat daunting - it's kind of… — Hillary Clinton Copy Share Image
The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is… — Al Gore Copy Share Image
Unfortunately, what is happening now in our central regions is evidence of this global climate change, because we have never in our… — Dmitry Medvedev Copy Share Image
“Carbon monoxide and other pollutants from Asia have been documented on the West Coast since the late 1990s and are actually affecting… — Elizabeth L. Cline Copy Share Image
I do not underestimate the difficulty of the challenge that global climate change presents to us. It will take a significant effort… — Federico Pena Copy Share Image
I believe that the problem of global climate change will ultimately spur our global society to respond and while the condition does… — Vinton Cerf Copy Share Image
Global climate change is real. The legislative branch of our government is our last line of defense against pollution which is why… — Kyra Sedgwick Copy Share Image
On the science of global climate change, I'm an agnostic. I've seen Al Gore's movie, and I've read reports from the Intergovernmental… — Robert Bryce Copy Share Image
I’ve often said that global climate change is an issue where no one has the luxury of being “half-pregnant.” You either are… — John F. Kerry Copy Share Image
Global warming may be a 'crisis,' even 'the most pressing environmental problem of our time.' ... Indeed, it may ultimately affect nearly… — John Roberts Copy Share Image
Global climate change is real and we have a limited time to change our behavior or live with the consequences. We can… — Kyra Sedgwick Copy Share Image
It's very clear that global climate change is occurring on earth, but it's also been very clear that that has always happened… — Heidi Hammel Copy Share Image
Every generation faces a challenge. In the 1930s, it was the creation of Social Security. In the 1960s, it was putting a… — Eileen Claussen Copy Share Image
Attributing global climate change to human CO₂ production is akin to trying to diagnose an automotive problem by ignoring the engine (analogous… — Timothy Ball Copy Share Image
Many people have the impression that there is significant scientific disagreement about global climate change. It's time to lay that misapprehension to… — Naomi Oreskes Copy Share Image
We're showing that there's no excuse for other nations to come together, both developed and developing, to achieve a strong global climate… — Barack Obama Copy Share Image
Unfortunately, what is happening now in our central regions is evidence of this global climate change, because we have never in our… — Dmitry Medvedev Copy Share Image
Being at NASA and having the access to both computing capability and satellite observation capability is kind of the ideal research situation… — James Hansen Copy Share Image
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