37 Quotes by Alan Weisman

Whether we accept it or not, this will likely be the century that determines what the optimal human population is for our planet. It will come about in one of two ways: Either we decide to manage our own numbers, to avoid a collision of every line on civilization's graph - or nature will do it for us, in the form of famines, thirst, climate chaos, crashing ecosystems, opportunistic disease, and wars over dwindling resources that finally cut us down to size.

Murderous, mutual loathing between tribes was no more explicable, or complicated, then the genocidal urges of chimpanzees—a fact of nature that we humans, vainly and disingenuously, pretend our codes of civilization transcend.

With our passing, might some lost contribution of ours leave the planet a bit more impoverished? It is possible that, instead of heaving a huge biological sigh of relief, the world without us would miss us?

Paranormalists, however, insist that our minds are transmitters that, with special effort, can focus like lasers to communicate across great distances, and even make things happen. That may seem far-fetched, but it's also a definition of prayer.

Once, we built structures entirely from the most durable substances we knew: granite block, for instance. The results are still around today to admire, but we don’t often emulate them, because quarrying, cutting, transporting, and fitting stone require a patience we no longer possess.

Before artificial nitrogen fertilizer became widely available, the world's population was around 2 billion. When we no longer have it - or if we ever decide to stop using it - that may be the number to which our own naturally gravitates.

Ha entrado en escena el Homo sedentarius. Ahora es el alimento el que migra hacia nosotros, junto con artículos de lujo y otros bienes de consumo que no existieron durante la mayor parte de la historia humana.

En un mundo sin humanos, las luces rojas dejarán de parpadear al cesar las emisiones de radio y de televisión; dejarán de producirse millones de conversaciones diarias a través de teléfono móvil, y al cabo de un año habrá varios miles de millones más de pájaros vivos. Pero mientras sigamos aquí, las torres de transmisión representan solo el principio de la involuntaria matanza que la civilización humana está perpetrando con unas criaturas con plumas a las que ni siquiera nos comemos.

...los nómadas y sus rebaños tomaban lo que necesitaban y luego se iban, dejando tras de sí una naturaleza aún más rica que antes.