…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…
…stations, windmills, wastewater-treatment plants, spray cans and chain saws. My approach is more basic. I ask whether technology enables us to obtain services more efficiently and, if so, at what…
…net costs (or benefits), but also for the levels of uncertainty surrounding them. Here the “Precautionary Principle” for environmental management comes into play. The Precautionary Principle is a legal term…
…to make the plant indigestible and occasionally poisonous. Animals developed other defenses. Human genius was to apply thermal treatment to upset or destroy the delicate organic chemistry of defense. Boiling…
…district re all responsible for supplying water. Three of the County’s four sewage treatment plants serve multicity districts. Land use planning lies principally with the cities but the County operates…
…of atmospheric carbon absorbed, foresters can exploit several fast-growing species. Grier and coworkers tabulated many examples of net primary productivity, largely of above ground biomass, and found growth as fast…
…percent of American dead. Cardiovascular disease is ripe for treatment through behavioral change and medicine. A century of unremitting gains for malignant neoplasms appears neatly in Figure 3. According to Ames…
…of forests. The likely added land spared from crops globally over the time it takes to reach 10 billion people suggests a net worldwide return to Nature of lands equal…
…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…
…indicates changing preferences that come with economic development. Environment and health are linked through channels ranging from irrigation waters that can harbor disease-carrying snails to the ventilating systems of office…