…Systems: The case of zero emissions, pp. 171-193 in Clark, W.C. and Munns, R.E., eds., Sustainable Development of the Biosphere, Cambridge University Press, Cambridge, U.K. Material Substitution The goal of minimizing…
…of fertility. The post hoc propter hoc is necessary, but rarely sufficient, to determine a causal relationship. The two phenomena can descend from the same cause. To give a whimsical but not…
…carbon from the air. Rough calculations make ocean fertilization look cheap. Foresters and farmers can also sequester carbon. My colleagues and I have shown that a widespread reversal of the…
…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…
…changing carbon intensity of primary energy for the world. Carbon intensity is calculated as the ratio of the sum of the carbon content of all fuels to the sum of…
…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….
…amounts of hydrogen fuel without fossil energy. Carbon intensity can also be calculated as the ratio of the sum of the carbon content of all fuels to the sum of…
…case if nonwhaling nations were, extensively involved in the IOS. The second case of intrusive monitoring is the anytime/anywhere inspection system of the Antarctic Treaty. In both cases, compliance may…
…technology can cope. Crucial for controlling emission, one big plant emits no more than many small plants but emission from one is easier to collect. We cannot solve the carbon…
…book is the work of 147 scientists from 91 institutions across 22 countries. A colorful 4-page flyer describes the book, which will be available for purchase through Amazon.com in November…