The use of solar energy has not been opened up because the oil industry does not own the sun.
Suburbia is where the developer bulldozes out the trees, then names the streets after them.
Man must feel the earth to know himself and recognize his values. God made life simple. It is man who complicates it.
There are no passengers on spaceship earth. We are all crew.
To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.
The Earth is the most powerful and energetic planet.
In spite of the way many people are turning away from God, not for other gods, but for no god; in spite of the mess we are making of this beautiful Planet Earth which God has given us, God still loves the world.
Our meaning is to make our little planet Earth a better place to live, to stop wars, disarm nuclear missiles, to stop diseases, AIDS, plague, cancer and to stop pollution.
I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend?
We will look upon the earth and her sister planets as being with us, not for us.
I think the one overwhelming emotion that we had was when we saw the Earth rising in the distance over the lunar landscape - it makes us realize that we all do exist on one small globe. For from 230,000 miles away, it really is a small planet.
Anyone who believes exponential growth can go on forever in a finite world is either a madman or an economist.
Looking outward to the blackness of space, sprinkled with the glory of a universe of lights, I saw majesty-but no welcome. Below was a welcoming planet. There, contained in the thin, moving, incredibly fragile shell of the biosphere is everything that is dear to you, all the human drama and comedy. That's where life is; that's were all the good stuff is.
Our posturings, our imagined self-importance , the delusion that we have some privileged position in the universe are challenged by this point of pale light.
Western civilization is a loaded gun pointed at the head of this planet.
Forests are the lungs of our land.
I only went out for a walk and finally concluded to stay out till sundown, for going out, I found, was really going in.
Our system - of debt-fueled economic growth, of ineffective democracy, of overloading planet Earth - is eating itself alive.
There's so much pollution in the air now that if it weren't for our lungs there'd be no place to put it all.
The proper use of science is not to conquer nature but to live in it.
Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space.
A friend of mine once sent me a post card with a picture of the entire planet Earth taken from space. On the back it said, 'Wish you were here.
We are all together in this, we are all together in this single living ecosystem called Planet Earth. As we learn how we fit into the greater scheme of things, and begin to understand how the system works, we can plan ahead, we can use the resources responsibly, to show some respect for this inheritance that goes back 4.6 billion years.
We must convince each generation that they are but transient passengers on this planet earth. It does not belong to them. They are not free to doom generations yet unborn. They are not at liberty to erase humanity's past nor dim its future.
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