Several times in Earth's history, rapid global warming occurred, apparently spurred by amplifying feedbacks. In each case, more than half of plant… — James Hansen Copy Share Image
“Will it be possible to solve these problems? It is certain that nobody has thus far observed the transformation of dead into… — Jacques Loeb Copy Share Image
Along with the possibility of extinction of mankind by nuclear war, the central problem of our age has therefore become the contamination… — Rachel Carson Copy Share Image
While both plants and animals awaken via distinct changes in metabolic functioning, most plants prefer to err on the side of caution,… — Hope Jahren Copy Share Image
Land is not merely soil, it is a fountain of energy flowing through a circuit of soils, plants and animals. — Aldo Leopold Copy Share Image
Is civilization progress? The challenge, I think, is clear; and, as clearly, the final answer will be given not by our amassing… — Charles Lindbergh Copy Share Image
A man is ethical only when life, as such, is sacred to him, that of plants and animals as that of his… — Albert Schweitzer Copy Share Image
Agriculture probably required a far greater discipline than did any form of food collecting. Seeds had to be planted at certain seasons,… — Charles Heiser Copy Share Image
“Don’t worry,” said Maddy. “People didn’t make life, so they can’t destroy it. Even if we were to wipe out every bit… — Jeanne DuPrau Copy Share Image
There has come a time when we can no longer remain silent but must speak up for our country which is being… — Di Morrissey Copy Share Image
It was always understood that plants and animals, though completely contrasted in their higher representatives, approached each other very closely in their… — Asa Gray Copy Share Image
When we try to pick out anything by itself, we find it hitched to everything else in the universe. One fancies a… — John Muir Copy Share Image
Elizabeth Rothra's excellent biography of Charles Torrey Simpson restates his philosophies about the intrinsic value of natural ecosystems like the Everglades. No… — Marjory Stoneman Douglas Copy Share Image
For generations, field guides to plants and animals have sharpened the pleasure of seeing by opening our minds to understanding. Now John… — Hans Christian von Baeyer Copy Share Image
“To husband is to use with care, to keep, to save, to make last, to conserve. Old usage tells us that there… — Wendell Berry Copy Share Image
“The baby chattered constantly, asked for the names of plants and animals, made up nonsense poems that Larch strained to hear, for… — Kristin Cashore Copy Share Image
“Timeline of History Years Before the Present 13.5 billion Matter and energy appear. Beginning of physics. Atoms and molecules appear. Beginning of… — Yuval Noah Harari Copy Share Image
The Storm The sky is crying Cold teardrops fall The sky might be trying To feed plants and animals and all Then… — Libby Hinrichs Copy Share Image
Theme-park approach to nature. We judge plants and animals by whether they're entertaining to us. We gravitate toward animals and plants that… — Gary Larson Copy Share Image
RNA interference has proven to be a quite reliable mechanism for turning genes off in a whole variety of different plants and… — Craig Mello Copy Share Image
I feel very strongly, we've got to give animals a good life. I've worked really hard improving slaughter plants and animal handling… — Temple Grandin Copy Share Image
“This process is called artificial selection. In the case of the Heike crab it was effected more or less unconsciously by the… — Carl Sagan Copy Share Image
Fiddling with the genetic identities of domesticated plants and animals ever since we had become human. We are the fiddlingest animal the… — Sue Hubbell Copy Share Image
“food chain - the vitally important system by which matter from soil and air passes through plants and animals and back to… — Richard M. Ketchum Copy Share Image