Unfortunately, the issues of climate change, unlike many other issues, are very subtle because the changes we observe are very, very subtle. — Wangari Maathai Copy Share Image
I'm obviously in favor of a carbon tax. And I think climate change is one of the biggest threats to our planet. — Ro Khanna Copy Share Image
We really are already seeing the impacts of climate change, of temperatures rising all around the world. — Declan McKenna Copy Share Image
A narrative of fear surrounds the issue of climate change, and it's being used to completely alter our way of life. — Leslyn Lewis Copy Share Image
“Population growth is not a reason against giving aid but a reason for reconsidering the kind of aid to give.” — Peter Singer Copy Share Image
Having an energy conversation without talking about climate is like talking about smoking and not talking about cancer. — Chris Hayes Copy Share Image
...unless we act boldly and quickly to deal with the underlying causes of global warming, our world will undergo a string of… — Al Gore Copy Share Image
You know they've come to this point where they want to blame climate change for quite literally everything now, and sorry, but… — Dan Crenshaw Copy Share Image
As a professional snowboarder, my livelihood obviously depends on snow. And for me, traveling around the world, chasing the snow, I see… — Gretchen Bleiler Copy Share Image
We must not put pressure on people, but by providing information on the population and the environment, and appropriate contraception for everyone… — John Guillebaud Copy Share Image
The climate change debate is basically not about science; it is about ideology. It is not about global temperature; it is about… — Vaclav Klaus Copy Share Image
We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the… — Barack Obama Copy Share Image
Everything is about energy. We're surrounded by electro mist, fog and smog. We're covering ourselves in the wrong sorts of electro-magnetism. These… — Noel Edmonds Copy Share Image
Where Republicans encourage popular myths about taxes, spending, and climate change, Democrats tend to stoke our fantasies about the sustainability of entitlement… — Jacob Weisberg Copy Share Image
After spending three or four years interacting with the Bush administration, I realized they were not taking any actions to deal with… — James Hansen Copy Share Image
Thinking about the world writ large, I am more optimistic than not that we will tackle our most pressing challenges, whether poverty… — Chelsea Clinton Copy Share Image
“Science fiction writers construct an imaginary future; historians attempt to reconstruct the past. Ultimately, both are seeking to understand the present. In… — Naomi Oreskes Copy Share Image
“The science shows us that fears of a climate apocalypse are unfounded. Global warming is real, but it is not the end… — Bjorn Lomborg Copy Share Image
Fifty percent of the world's population lives in cities. In a couple of decades, 70 percent of the world's population will be… — Michael Bloomberg Copy Share Image
I find it ironic that Republicans have such disdain for the lazy, and yet their solution to every problem is do nothing.… — Bill Maher Copy Share Image
Confronting climate change is, in the long run, one of the greatest challenges that we face, and you can see this duty… — John F. Kerry Copy Share Image
“Familiarity reduces insecurity, so we feel more comfortable describing and combating the risks we think we understand: terrorists, immigrants, job loss or… — Tony Judt Copy Share Image
“Climate policies often make life WORSE specifically for the poor...Choosing climate policies over growth policies doesn’t just do nothing. It means more… — Bjorn Lomborg Copy Share Image
“The warming effect of carbon dioxide is strongest where the air is cold and dry; mainly in the arctic rather than in… — Physicist Freeman Dyson Copy Share Image
In the grand scheme of things, polar bears are the least of our problems when it comes to climate change. — Emily Calandrelli Copy Share Image
...the contribution of greenhouse gases to the Vostok temperature changes can be...between a lower estimate of 40% and a higher estimate of 65%. — Claude Lorius Copy Share Image
This is not rocket science - climate science is very simple. A 12-year-old could probably understand this subject [of climate change]. — Arthur B. Robinson Copy Share Image
The ice caps are melting, which we see over and over again. Yeah, they're melting on Mars, too! — Dana Rohrabacher Copy Share Image
I founded Friends of the Earth to make the Sierra Club look reasonable. Then I founded the Earth Island Institute to make… — David Foreman 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
I accept that climate change is a challenge, I accept the broad theory about global warming. I am sceptical about a lot… — John Howard Copy Share Image
Climate change remains the biggest threat to our civilisation, economy and security - even bigger than Brexit. — Ed Davey Copy Share Image
I think it's important for people to be aware of the impact that climate change is having on this huge community of… — Scarlett Johansson Copy Share Image
Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels. — James Hansen 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
It is amazing to me, as a professional geologist, how many otherwise intelligent people have, as some may say, 'drunk the Al… — Earl F Titcomb Jr Copy Share Image
Too much dependence on the market has led to growing inequality and poverty, and too much stress on nature has exacerbated the… — Fumio Kishida Copy Share Image
The US is responsible for 25 percent of the world's greenhouse gas emissions. It should take responsibility for leading the way. — Tony Juniper Copy Share Image
There is enough oil in the ground to deep-fry the lot of us, and no obvious means to prevail upon governments and… — George Monbiot Copy Share Image