There is a natural greenhouse effect that contributes to warming. Greenhouse gases trap heat and thus warm the Earth because they prevent… — George W. Bush Copy Share Image
The most profound security threat we face today is global warming....climate change has the capacity to change the way all of us… — William J. Clinton Copy Share Image
The things that happen are an earthquake, another bomb in Iraq, some big jolt on Wall Street in oil prices, and then… — Andrew Revkin Copy Share Image
We will need to reach out to all those actors - to governments, to civil societies, to businesses - and help in… — Patricia Espinosa Copy Share Image
The issue of climate change is one that we ignore at our own peril. There may still be disputes about exactly how… — Barack Obama Copy Share Image
Our very contract with nature has a deep restorative power; contemplation of its magnificence imparts peace and serenity. — Pope John Paul II Copy Share Image
We have to reach out to churches and schools and help people understand science, and we have to build rapport between scientists… — Katharine Hayhoe Copy Share Image
We have a structural problem because you can simultaneously understand the medium to long-term risks of climate change and also come to… — Naomi Klein Copy Share Image
I've just completed Mike's [Mann] Nature trick of adding in the real temps to each series for the last 20 years (i.e.… — Phil Jones Copy Share Image
Every time I write an article pointing out there is no scientific consensus on the extent of man-made - as opposed to… — Miranda Devine Copy Share Image
If we have to save the world from the adverse effects of climate change, then developed nations must lift the deprived with… — Sushma Swaraj Copy Share Image
Ever since the collapse of cap and trade legislation and the realization that President Obama is unlikely to ever utter the words… — Jeff Goodell Copy Share Image
What we've got is the wholesale embrace of fracking domestically, internationally and for export. And this couldn't be further from what we… — Josh Fox Copy Share Image
“Venus is kept that way by a thick, dense atmosphere that’s full of carbon dioxide. It’s the greenhouse effect gone wild—runaway, as… — Bill Nye Copy Share Image
“the center of the American Museum of Natural History’s Hall of Biodiversity, there’s an exhibit embedded in the floor. The exhibit is… — Elizabeth Kolbert Copy Share Image
In California today, you may save more water by not eating a pound of beef than you would by not showering for… — John Robbins Copy Share Image
The problem with climate change has always been that whilst political timeframes and economic investment timeframes work on a 3-5year cycle, the… — Barry Gardiner Copy Share Image
Republicans can continue to protest reality and stick their heads in the sand, but the sooner they acknowledge the very basic facts… — S.E. Cupp Copy Share Image
I have not seen proven proof that [climate change] is entirely man-made. — Joni Ernst Copy Share Image
To those who say climate change is not caused by human activity or that addressing it will harm the economy, let's encourage… — Martin O'Malley Copy Share Image
A number of major companies - from PepsiCo to Walmart to U.P.S. - have recognized that corporations have a responsibility to address… — Joe Kaeser Copy Share Image
A level of no more than 350 ppm is still feasible, with the help of reforestation and improved agricultural practices, but just… — James Hansen Copy Share Image
I've even had people tell me that I must not be a Christian because I think climate change is real. But you… — Katharine Hayhoe Copy Share Image
There can be no solution to the challenge of climate change that is not global. But if we can come together in… — Ban Ki-moon Copy Share Image
We can't conclusively say whether man-made carbon dioxide emissions are contributing to climate change. — Tony Abbott Copy Share Image
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