The agricultural life, often referred to as “pastoral” or “rural”, seems a natural world to modern-day city dwellers and suburbanites. A weekend drive in the country is a time for relaxing and “going back to nature.” Yet farming is not na- ture, but rather the largest alteration of Earth’s surface from its natural state that [...]

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 [...]

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 [...]