From a marketing blog:
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http://www.sciencedaily.com/releases/2012/04/120417113708.htm
By itself, education of women reduces numbers of offspring, by delaying having kids, reduced fecundity by starting family later, etc.
The conclusion:
Women who choose careers are even LESS likely to find eligible mates, education provides money and higher expectations!
| | The most significant type of environmental change brought about by Precolumbian human activity was the modification of vegetation. … Vegetation was primarily altered by the clearing of forest and by intentional burning. Natural fires certainly occurred but varied in frequency and strength in different habitats. Anthropogenic fires, for which there is ample documentation, tended to be more frequent but weaker, with a different seasonality than natural fires, and thus had a different type of influence on vegetation. The result of clearing and burning was, in many regions, the conversion of forest to grassland, savanna, scrub, open woodland, and forest with grassy openings. | |
"We've been able to separate the light reaction from the dark reaction and instead of using biological photosynthesis, we are using solar panels to convert the sunlight to electrical energy, then to a chemical intermediate, and using that to power carbon dioxide fixation to produce the fuel," Liao said. "This method could be more efficient than the biological system."
The researchers envision every rooftop in every conurbation with solar panels and a bio-generator, producing alcohol to run whatever one needs, directly or via electrical generator.
Photosynthesis has produced a huge majority of all energy humans have used through history; obviously wood fires, but also coal and petroleum were once plants...
What percentage of energy needs are provided by a rooftop (of a conventional house, 100sqM or 1075 sq ft of panels)?
Is it enough to run a car even, or a large percentage of household daily needs?
If our ethanol from grain production stopped tomorrow, that much more grain becomes available for food, or cattle feed.
We're already planting more corn http://www.twincities.com/business/ci_20290078/largest-u-s-corning-planting-since-1930s-expected than ever before.
Also, our "ownership" of the electrical generation capability may make us more discerning consumers, and more conservation oriented.
All of which stretches the limit on the number of people on the planet...
WHAT SOCIETAL GOVERNANCE IS IN PLACE TO HAVE TOTALLY DISRUPTIVE TECHNOLOGY GET INTRODUCED WITHOUT CARE OR FORETHOUGHT.
(I sound like such a Luddite...)
FRISH
