…largely in the third term in the identity mentioned above, the product consumed per unit of GDP, for example, pulp/GDP. If this term, which I will call “intensity of use”,…
…insurance. Software and social innovations are al most always indispensable for the technology of new hardware. Major innovations, in transportation for example, are in fact clusters of innovations involving not…
…influence it, we have tended to assess life in the oceans in gigatons of carbon, neglecting whether the gigatons are in plankton, anchovies, or swordfish. I care what forms the…
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…
…humans. The dimensions of the wooden Ark, given in cubits in the Book of Genesis, imply it was about 140 metres long, 23 wide and 13.5 high. It had three…
…In the middle on the right, a leopard marvels at its reflection in a mirror. On the lower left apes play with their self-images in a shiny plate. In the…
…Agencia EFE, via Infobae, Argentina Expertos piden reducir hasta un 90 % los desechos marinos antes de 2030 https://www.infobae.com/america/agencias/2021/11/17/expertos-piden-reducir-hasta-un-90-los-desechos-marinos-antes-de-2030/ Newsbreak, United States A Clean Ocean by 2030: UN Experts’ “Clean…
Added online reprints Malthus and the Graduate Studentsand Working Less and Living Longer. Link to the American Scientist web site with the abstract of Can Technology Spare the Earth?…
We posted the online paper, Working Less and Living Longer: Long-Term Trends in Working Time and Time Budgets, complete with full tables and figures….
We posted the online paper Technical Progress and Climatic Change….