21st Century choice: Look after our planet and it will look after us, or don't and face the consequences — Phil Harding Copy Share Image
Our planet has not seen an extinction crisis as serious as the one in progress for 65 million years. — David Suzuki Copy Share Image
We have a responsibility to look after our planet. It is our only home. — Dalai Lama Copy Share Image
We have lost awe and wonder. In reference to the mystery of life itself, we've lost respect for movement in our planet. — Gabrielle Roth Copy Share Image
I believe that climate change represents one of the greatest threats to our national security and our planet. — Mark Pocan Copy Share Image
Earth Day should encourage us to reflect on what we are doing to make our planet a more sustainable and livable place. — Scott Peters Copy Share Image
I am optimistic globally. So many scientists are working frantically on the reparation of our planet. — Steve Irwin Copy Share Image
Climate change: We have never faced a more critical time on our planet — Richard Leakey Copy Share Image
Our planet is blessed with vast natural treasures. If we use them wisely, beginning with the elimination of militarism and war, every… — Dalai Lama Copy Share Image
Anything else you're interested in is not going to happen if you can't breathe the air and drink the water. Don't sit… — Carl Sagan Copy Share Image
Everything I had read in the fields of fiction and science led me to a single, dark conclusion. Humans are screwed, and… — Annalee Newitz Copy Share Image
Humanity has the option to become successful on our planet if we reorient world production away from weaponry - from killingry to… — R. Buckminster Fuller Copy Share Image
Man must spend much more time in extraordinary natural places to grasp much better how remarkable our planet is and to realise… — Mehmet Murat Ildan Copy Share Image
[W]e must stop trying to protect our planet from every imaginable, exaggerated or imaginary risk. And we must stop trying to protect… — Niger Innis Copy Share Image
Thanks to the fact that the Earth isn't a perfect sphere, and invoking a bunch of Newtonian physics, you can deduce that… — Seth Shostak Copy Share Image
To shift the direction of our planet, we must now be willing to experiment with the theory that within the speed and… — Sakyong Mipham Copy Share Image
The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it.… — Barack Obama Copy Share Image
There is little disagreement on our planet that the lives of most human beings could be improved immensely. Words pour out of… — Neale Donald Walsch Copy Share Image
Suddenly, from behind the rim of the moon, in long, slow-motion moments of immense majesty, there emerges a sparkling blue and white… — Edgar Mitchell Copy Share Image
The dead spacecraft in orbit have become a permanent fixture around our planet, not unlike the rings of Saturn. They will be… — Trevor Paglen Copy Share Image
One of the most serious [challenges] is increased military spending and the cost of maintaining and developing nuclear arsenals. Enormous resources are… — Pope Benedict XVI Copy Share Image
If we each take responsibility in shifting our own behavior, we can trigger the type of change that is necessary to achieve… — Yehuda Berg Copy Share Image
During my term in AU, I will initiate an organised compensation claim for Africa and I will fight for a greater voice… — Muammar al-Gaddafi Copy Share Image
On our planet, all objects are subject to continual and inevitable changes which arise from the essential order of things. These changes… — Jean-Baptiste Lamarck Copy Share Image
It's not by accident that the pristine wilderness of our planet disappears as the understanding of our own inner wild nature fades. — Clarissa Pinkola Estes Copy Share Image
Cleaner, more sustainable energy is possible and can transform our lives, our economies, and our planet. — Gisele Bundchen Copy Share Image
Our planet is changing in ways that will have profound impacts on all of humankind. — Barack Obama Copy Share Image
Just think: in all the clean, beautiful reaches of the solar system, our planet alone is a blot; our planet alone has… — Annie Dillard Copy Share Image
We have to make our economy work for everyone - not just those at the top - protecting our country and protecting… — Hillary Clinton Copy Share Image
It's not because nature is angry, it's rather that we are stupid. We're not doing the right thing with our planet. — Werner Herzog Copy Share Image
For the sake of our security, our economy and our planet, we must have the courage and commitment to change. — Barack Obama Copy Share Image
There are still so many places on our planet that remain unexplored. I'd love to one day peel back the mystery and… — Annie Leibovitz Copy Share Image
The answers to how to live sustainably on our planet are all around us. — Janine Benyus Copy Share Image
I believe that incentivized prizing is the best solution to help unlock the answers to the some of the profound problems that… — Naveen Jain Copy Share Image
The answer is simple. If we lose the world's forests, we lose the fight against climate change. Rainforests are our Earth's greatest… — Michael Somare Copy Share Image
Why is everything that's good for our bodies, our communities, our world, and our planet called the 'alternative'? That means everything bad… — Julia Hill Copy Share Image
If there's reason for hope, it lies in man's occasional binges of cooperation. To save our planet, we'll need that kind of… — George Meyer Copy Share Image
In my lifetime, I want to see humanity start being conscious of our waste, the things we buy, and how we can… — Jason Mraz Copy Share Image
I believe that worrying about the problems plaguing our planet without taking steps to confront them is absolutely irrelevant. The only thing… — Jody Williams Copy Share Image
Above all, we must understand that in leaving the toxic ways of the present we are healing ourselves, our places, and our… — Sam Smith Copy Share Image