Man has lost the capacity to foresee and to forestall. He will end by destroying the earth.
Albert Schweitzer
When one tugs at a single thing in nature, he finds it attached to the rest of the world.
John Muir
Civilization... wrecks the planet from seafloor to stratosphere.
Richard Bach
The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.
Ross Perot
Take care of the earth and she will take care of you.
Author Unknown
A virgin forest is where the hand of man has never set foot.
Author Unknown
Till now man has been up against Nature; from now on he will be up against his own nature.
Dennis Gabor
I am the earth. You are the earth. The Earth is dying. You and I are murderers.
Ymber Delecto
We do not inherit the earth from our ancestors, we borrow it from our children.
Native American Proverb
Nature is not a place to visit, it is home.
Gary Snyder