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…

How Did Noah’s Ark Float?

…far, in a free online service (https://www.eol.org/). “There are expectations of 8 to 50 million more species out there that we haven’t identified yet,” Edwards said. Other experts’ estimates of…

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)

…wood. Instead of logging half the world’s forests, humanity can leave almost 90 % of them minimally disturbed. And nearly all new tree plantations are established on abandoned croplands, which…

Manifesto for Clean Ocean

…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

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

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

We posted the online paper Technical Progress and Climatic Change….

We posted the online

We posted the online paper Mitigation and Adaptation for Climate Change: Answers and Questions….

We posted the online

We posted the online article The Environment for Future Business and the “CyberCampus” Prospectus….