…several government agencies and trade associations, has begun a financial exchange for trading scrap materials. Other exchanges such as the National Materials Exchange Network (NMEN) and the Global Recycling Network…
…of the Census would be an on-line three-dimensional geographical information system which would enable researchers or resource managers anywhere to click on a volume of water and bring up data…
…At 600m2 each, the USA increase would consume 6 million hectares, about the land area of Belgium plus the Netherlands or five Connecticuts. Globally, if everyone new builds at the present…
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?…
Mark Stoeckle presented recent eDNA work assessing marine fish diversity and abundance at OneNOAA Science Seminar Series on August 26, 2020. The recorded presentation and lively discussion is available online…
…clapping belts. But the network of beams, blocks, cords, and drums for transmitting t he steam power to the machinery on the floor encumbered, endangered, and clamored. The electric motor…
…avoid in each link of the chain, the thermodynamic efficiency of the total system in practice could probably never exceed 50 percent. Still, in 1995 we are early in the…
We are pleased to read that North Carolina-based company NET Power Breaks Ground on Demonstration Plant for World’s First Emissions-Free, Low-Cost Fossil Fuel Power Technology. The NET Power technology, which…
…individuals, firms, or the planet. Goals provide orientation. They help actors to aspire and measure progress. In 1999, John Spears, a consultant to the World Bank, developed a preliminary, quantitative…
…(1980), reviewing studies of several industrial societies, found that women’s daily work outside the home decreased while work inside the home increased for an overall net increase. In contrast, Gershuny…