…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…
…that Viagra could spare threatened species in general and in particular ones exploited in traditional Chinese medicine. Better Viagra than Tiger Bone or Rhino Horn, as Richard Ellis has written….
…and moldings. “Other” includes industrial uses such as materials handling, furniture, and transport. d The ratio of end uses relies on Btu data from the U.S. Department of Energy, Energy…
…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…
…resources. Even if the rate of improvement falls to half, an area the size of India, globally, will revert from agriculture to woodland or other uses. A vegetarian diet of…
…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…
…are my fifth Worthy Way. For a subsurface network of such maglevs, the cost of tunneling will dominate. The Swiss are actually considering a 700 km system.[17] For normal high-speed tunnels,…
…USA and other important markets. In other words, efficiency will win. Pollution will plummet. Many firms’ emissions already have. We are going to live on a green planet with abundant…
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…
This paper was first published in 1992 in the Annual Review of Energy and Environment, https://www.annualreviews.org. The paper posted here was scanned and re-typeset in HTML. Every effort was made…