…requires micro- or zero emissions per unit of economic activity to maintain or enhance environmental quality In other words, Americans need to clean processes by more than one order of…
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…
…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…
…Improved tractors, low tilling, targeted herbicides and pesticides, and an extended capacity for N fixation might reduce energy consumption in agriculture by an order of magnitude. Lifting yields while minimizing…
…— not just for their ecological and industrial services but also for the sake of order and beauty. Fortunately, the twentieth century witnessed the start of a “Great Restoration” of…
…The annual worldwide production of most of the toxic heavy metals, including arsenic, cadmium, chromium, copper, lead, and mercury, has increased by 2–3 orders of magnitude over the past 1–2…
…War in 1990–1991. Though I believe the main motive for Iraq in the war was to raise its place in the international pecking order, oil resources certainly pointed the way….
…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…
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….