A warming of this magnitude would risk the end of civilization as we know it by the end of this century. — Peter Barrett Copy Share Image
Deliberately modifying the earth's atmosphere would be a desperate gamble with significant risks. Yet the more likely climate change is to cause… — Michael Specter Copy Share Image
Carrying on as usual carries enormous risks, condemning today's students to a world of constant insecurity and frequent catastrophes. — William H. Calvin Copy Share Image
The world's biggest challenge comes from the threats of climate change and terrorism. In India's case, terrorism is not bred in some… — Sushma Swaraj Copy Share Image
What to do about climate change is political, it's social, and it's moral, which is one of the reasons the scientific community… — Naomi Oreskes 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
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
The dialogue around climate change can often become mired in gloom and doom, which is understandable given the topic. — Tom Steyer Copy Share Image
We have a policy at Greenpeace that we no longer debate people who don't accept the scientific reality of anthropogenic climate change. — Ben Stewart Copy Share Image
I am interested in climate change and other topics too. But this thing is so huge, in the worst case we are… — Rusty Schweickart Copy Share Image
Climate change is destroying our path to sustainability. Ours is a world of looming challenges and increasingly limited resources. Sustainable development offers… — Ban Ki-moon Copy Share Image
I agree with the overwhelming majority of scientists who recognize that climate change is real, and it's essential that our country honors… — Sharice Davids Copy Share Image
We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting… — Bill Gates Copy Share Image
I think the mother of all arguments against eating meat now is the climate change argument. Methane is a much more powerful… — Dale Jamieson Copy Share Image
The shift to a cleaner energy economy wont happen overnight, and it will require tough choices along the way. But the debate… — Barack Obama Copy Share Image
When all the world appears to be in a tumult, and nature itself is feeling the assault of climate change, the seasons… — Madeleine M. Kunin Copy Share Image
Environmental policies are not just about good publicity; they are about responding to the moral imperative to address both climate change and… — Toby Robins Copy Share Image
The aesthetic value of creation cannot be overlooked. Our very contact with nature has a deep restorative power; contemplation of its magnificence… — Pope John Paul II Copy Share Image
Congress has always had a soft spot for "experts" who tell members what they want to hear, whether it's supply-side economists declaring… — Paul Krugman Copy Share Image
... the consensus of the scientific community has shifted from skepticism to near-unanimous acceptance of the evidence of an artificial greenhouse effect.… — Gregg Easterbrook Copy Share Image
Isn't it time to talk not only about weather, but also about climate? — Nicholas D. Kristof Copy Share Image
On the allegation of withholding temperature data, we find that CRU was not in a position to withhold access to such data… — Muir Russell Copy Share Image
So when you're dealing with an existential threat like death or like climate change, if you see it as 'we are all… — Bob Inglis Copy Share Image