…much to spare and restore Nature during the 21st century, even as more numerous humans prosper. In this essay I explore the areas in human use for fishing, farming, logging,…
…to municipal landfills (U.S. EPA 1994). Humans, however, moderate these environmental impacts, good and bad alike. Projections of the effect of humans harvesting timber on forests in the future must…
…in the sea; verify that the extension of humans into the landscape has begun a Great Reversal and anticipate its extent and implications during the next century; assess national exposure…
…several government agencies and trade associations, has begun a financial exchange for trading scrap materials. Other exchanges such as the National Materials Exchange Network (NMEN) and the Global Recycling Network…
…might have extinguished many more. Then, ten thousand years ago our ancestors began sparing land animals by domesticating cows, pigs, goats, and sheep. By herding rather than hunting animals, humans…
…humans over much of the planet much of the year. Still, humanity has invested heavily in adjusting to the recent climate. We are attached to the system of reservoirs providing…
…clapping belts. But the network of beams, blocks, cords, and drums for transmitting t he steam power to the machinery on the floor encumbered, endangered, and clamored. The electric motor…
…food. Earth cannot sustain humans if it sustains humans alone. The direction, inevitably, is landless agriculture. Yields per hectare measure the productivity of land and the efficiency of land use….
…say the Internet for short, have started vigorously in only a few countries, particularly the United States. The Internet vastly reduces transaction costs, in money and time, and thus can…
…acceptable number of humans, usually between 1010 and 2 x 1010 by 2100. The reckoning date is well beyond the life expectancy of present politicians and demographers. These soothing predictions are obviously…