…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…
…cheap production of H2 should be one of the highest priorities of the government agencies for energy, transportation, and space as well as private industry. There are several alternatives, including solar…
…d’écoute sur les océans apaisé par Covid https://yourtopia.fr/un-reseau-mondial-decoute-sur-les-oceans-apaise-par-covid-france-24/ BBC News Online, Ocean noise: Study to measure the oceans’ ‘year of quiet’ https://www.bbc.com/news/science-environment-56676820 BBC World Service Radio, 1st story, with Ed…
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…
…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…
…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…
…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…
…you on behalf of the distinguished international Scientific Steering Committee (SSC) that is now planning the program (see https://www.coml.org for more information). Three main reasons motivate the Census of Marine…
…tenfold, with the U.S. and Canada the highest. Allowing for differences in major uses (irrigation, electrical cooling, industry, public water supply), large opportunities for reductions remain. In the late 1980s…
…Ocean Manifesto” https://www.newsbreak.com/news/2436864685283/a-clean-ocean-by-2030-un-experts-clean-ocean-manifesto SciTech Daily A Clean Ocean by 2030: UN Experts’ “Clean Ocean Manifesto” https://scitechdaily.com/a-clean-ocean-by-2030-un-experts-clean-ocean-manifesto/ Podcast, Germany #4: Die Zukunft der Meere – mit Angelika Brandt https://www.podcast.de/episode/587607889/4-die-zukunft-der-meere-mit-angelika-brandt Earth.com, United…