Historical evidence would indicate that very few key inventions have been made by men who had to spend all their energy overcoming the immediate pressures of survival. Atomic energy was discovered in the laboratories of basic science by individuals unaware of any threat of fossil fuel depletion. The first genetic experiments, which led a hundred [...]
Rodney Heitschmidt and Jerry Stuth point out that “[h]umankind has historically fostered and relied upon livestock grazing for a substantial portion of its livelihood because it is the only process capable of converting the energy in grassland vegetation into an energy source directly consumable by humans.” Nineteen billion metric tons of vegetation are produced by [...]
Agriculture is a recent human experiment. For most of human history, we lived by gathering or killing a broad variety of nature’s offerings. Why humans might have traded this approach for the complexities of agriculture is an interesting and long-debated question, especially because the skeletal evidence clearly indicates that early farmers were more poorly nourished, [...]
Siamo gli usurai del nostro pianeta: In a lecture to the Royal Academy of Engineering in May, Professor Rod Smith of Imperial College explained that a growth rate of 3% means economic activity doubles in 23 years. At 10% it takes just seven years. This we knew. But Smith takes it further. With a series [...]
Quando esponi nella principale mostra floreale del mondo, ci si attende che tu consideri il giardinaggio come uno dei più grandi piaceri della vita. I progettisti spendono anni a pianificare il loro giardino perfetto per il Chelsea Flower Show ed è tale la popolarità dell’evento che questo è uno dei rari anni in cui i [...]
Michael Shermer, giornalista e scrittore noto per aver fondato la Skeptic Society, cade abbastanza nel ridicolo in un suo editoriale di due settimane fa: Life has never been so good for our species – Los Angeles Times. It is fashionable among environmentalists today to paint a gloomy portrait of our future. Although there are many [...]
Mi pare doveroso metterlo pure qui. (in origine l’abbiamo pubblicato qui) Questo articolo piace a 9 persone. Non mi piace più
And when you suggest these are the things that will insure the future of good food, someone somewhere stands up and says, “Hey guy, I love pink flamingos, but how are you going to feed the world? How are you going to feed the world?” Can I be honest? I don’t love that question. No, [...]
In addition to their islandwide system of multistory orchards and fields, social adaptations sustained the Tikopian economy. Most important, the islanders’ religious ideology preached zero population growth. Under a council of chiefs who monitored the balance between the human population and natural resources, Tikopians practiced draconian population control based on celibacy, contraception, abortion, and infanticide, [...]
From 1970 to 1990 the total number of hungry people fell by 16 percent, a decrease typically credited to the green revolution. However, the largest drop occurred in communist China, beyond the reach of the green revolution. The number of hungry Chinese fell by more than 50 percent, from more than 400 million to under [...]
