…of aquaculture. Another form might be called fish ranching. An analogy of fish ranching might be grazing pigs. Running wild, about 10 hogs can share a hectare. Running wild, today’s…
…Problems and opportunities frequently cross national borders. Informal and formal international arrangements-loosely termed “regimes,” defined here as systems of rule or government that have widespread influence–are for the collective management…
…poles. Even today human rickshaws carry freight and passengers in Calcutta and elsewhere. Horses can run faster and longer than people. They can sustain 20 km per hour for several…
…2020, leading to a fleet of 500 5 GW ZEPPs by 2050. This does not seem an impossible feat for a world that built today’s worldwide fleet of some 430 nuclear…
…On average the world corn farmer has been making the greatest annual percentage improvement. If during the next 60 to 70 years, the world farmer reaches the average yield of today’s U.S….
…information. If during the next 60 to 70 years, the world farmer reaches the average yield of today’s U.S. corn grower, 10 billion people will need only half of today’s…
…impossible feat for a world that built today’s worldwide fleet of some 430 nuclear power plants in about 30 years. Combined with the oceans safely absorbing 2-3 Gt C yearly,…
…largest city with perhaps 10 million people. Today Japan’s Shinkansen Corridor extending from Tokyo to Osaka houses some 80 million. Worldwide the human population is now 55 percent urban. By…
…comment. Most obviously, the Russian Revolution and World War II literally drove Russians back into the woods to collect their fuel. Yet, these extreme shocks were later absolutely absorbed. By…
…and guided by styles, prices, and rules; millers encompass saw and paper mills responding to customers, stockholders, and regulations; and foresters encompass landowners as well as people in foresters’ green…