Carbon trading may be the new sub-prime, says energy boss | Environment | The Guardian

The row over the working of the European Union's emissions trading scheme intensified last night when EDF Energy warned that speculators risked turning carbon into a new category of sub-prime investment.

Maybe they don't teach "Google" until second year: Professor says starvation could be widespread by 2100 - The Daily of the University of Washington

Bryce Harrop, a first-year atmospheric sciences graduate student, said there is always reason to doubt the results of any scientific study. However, he added that this potential shift in global climate can change every aspect of life and should be studied further.

Productivity Growth in U.S. Agriculture

Gains in productivity have been a driving force for growth in U.S. agriculture. The effects of these
changes over the second half of the 20th century were dramatic: between 1950 and 2000, the average amount of milk produced per cow increased from 5,314 pounds to 18,201 pounds per year, the average yield of corn rose from 39 bushels to 153 bushels per acre, and each farmer in 2000 produced on average 12 times as much farm output per hour worked as a farmer did in 1950. The development of new technology was a primary factor in these improvements.