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Other hazards
Component
1
#45548
The hazards noted here are known or suspected just from the chemical nature of the substances. But a bigger danger may be substances not under suspicion until after they are widely dispersed in the environment.
CONTEXT
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Compression Thinking »
Compression Thinking
Compression Thinking☜Population growth squeezes all of us on a planet whose resources are finite. To not only survive, but improve quality of life, we must become much smarter using what we have. For practical, effective action, work organizations critical to Compression must greatly compress their learning cycles.☜F1CEB7
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Why Are We in Compression? »
Why Are We in Compression?
Why Are We in Compression?☜Most work organizations deal with much more complexity than 50 or 100 years ago, but we also have more means to deal with it. Beyond that our early 21st century challenges are in five arbitrary categories, each of which is constantly changing. (See the figure and chapter 1 of the book, Compression.)☜FFB597
▲
(2) Precarious Environment »
(2) Precarious Environment
(2) Precarious Environment☜Pretending that these problems dont exist is less and less tenable, but no busy person can track them in detail. Even deeply-involved environmentalists cant keep up. Critics think environmental worries are overblown; but investigation reveals a more serious worry -- science knows too little. ☜59C6EF
▲
CO2 is only one danger »
CO2 is only one danger
CO2 is only one danger☜Climate change science is under political attack, but even if global temperature rise is much lower than projected, many other issues would force us to cut back resource use. They constitute a very long list, never complete.☜9FDEF6
■
Other hazards
Other hazards☜The hazards noted here are known or suspected just from the chemical nature of the substances. But a bigger danger may be substances not under suspicion until after they are widely dispersed in the environment.☜9FDEF6
●
Electronics and sensors »
Electronics and sensors
Electronics and sensors☜In use, electronics appear to be environmentally benign. However, the processes for making microcircuitry and components for it are chemical processes that use a lot of exotic materials and hazardous agents. Paradoxically, intelligent processes to help us with compression depend on electronics.☜9FDEF6
●
N2O »
N2O
N2O☜Nitrous oxide is expected to be the leading ozone depleter now that Freon is abating. Its less potent than halocarbons, but theres a lot more of it. Thats why engines are mandated to have strict NOx controls, but the leading source: emissions from excess ammonia based fertilizer.☜9FDEF6
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NF3 »
NF3
NF3☜Nitrogen triflouride is a potent greenhouse gas and suspected ozone depletion agent. Its major use is cleaning LED displays. The use base is small, but use has been growing by 11% a year, so its on the watch list.☜9FDEF6
●
SF6 »
SF6
SF6 ☜Sulfur hexafluoride is a marvelous cleaning agent, but the most potent greenhouse gas known. Fortunately we use very little of and should strive to use none. ☜9FDEF6
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Entered by:-
David Price
NodeID:
#45548
Node type:
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Entry date (GMT):
12/24/2009 10:16:00 PM
Last edit date (GMT):
2/16/2010 2:41:00 PM
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