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…Environmental Progress PHE collaborates with Environmental Progress, led by Michael Shellenberger, which seeks to lift humans out of poverty, and save the natural environment by removing obstacles to cheap, reliable…

Does Climate Still Matter?

JH Ausubel. Nature 350: 649–652 1991

…a price, services, such as aviation, are now available at almost all times and places. Aviation began as a system that was extremely sensitive to weather and is increasingly less…

The Virtual Ecology of Industry

JH Ausubel. Journal of Industrial Ecology 1 (1): 10–11 1997

…long sought to channel every input into profitable output. Chemical engineers already design and test refineries in detail on computers before companies buy the first length of pipe. Energy engineers…

Full PDR issue online

The entire issue of Population and Development Review with our article about Peak Farmland is now online: Population and Public Policy: Essays in Honor of Paul Demeny https://www.popcouncil.org/publications/books/2012_PDRSuppPopPublicPolicy.asp and will…

On Sparing Farmland and Spreading Forest

JH Ausubel. Forestry at the Great Divide: Proceedings of the Society of American Foresters 2001 Convention, Society of American Foresters, Bethesda MD 127–138 2002

…innovations, machines and chemicals, especially the latter, hugely increased yields. After World War II, the automobile industry produced solid, cheap, dependable tractors. A tractor pulls as powerfully as 10 to…

Working Less and Living Longer: Long-Term Trends in Working Time and Time Budgets

JH Ausubel, Arnulf Grübler. Technological Forecasting and Social Change 50: 113–131 1995

…holidays”2 -1,744 -8,534 -10,278 -720 -3,280 -4,000 Shorter/Longer Work career3 +11,674 -13,779 -2,105 -2,675 +19,268 +16,593 TOTAL -26,830 -34,810 -61,640 -22,240 -710 -22,950 1Changes in hours worked per week (lower…

Maglevs and the Vision of St. Hubert [PDF]

JH Ausubel. Challenges of a Changing Earth 175–182 2002 (Proceedings of the Global Change Open Science Conference, Amsterdam, Netherlands, 10-13 July 2001)

…averaged about one hour of walking per day. The essence is that the transport system and the number of people basically determine covered land.[xii] Greater wealth enables people to buy higher…