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  #1  
Old 10-08-2022, 05:20 PM
E300d 1995
 
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Another human caused problem

https://www.fox10phoenix.com/news/forever-chemicals-hunting-deer-fishing-wildlife-agencies-advisory


Another recent news article that is disturbing.

https://www.theguardian.com/environment/2022/oct/05/canada-dead-salmon-drought-british-columbia

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  #2  
Old 10-10-2022, 12:16 AM
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Are there really any problems not caused by humans, or at least their viewpoint?
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  #3  
Old 10-10-2022, 06:42 PM
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Good point, except for natural ones like earthquakes and other natural disasters.

I'm just bothered now and then about certain things. Such as:

Finding that some common antibiotics can damage hearing from slight to complete deafness, including tinnitus. Seems this should have been more commonly known.

Finding that commercial fishing vessels can use long lines that sometimes approach 60 miles long.

https://oceanbites.org/untangling-the-issues-with-longline-fishing/https://oceanbites.org/untangling-the-issues-with-longline-fishing/

https://en.wikipedia.org/wiki/Longline_fishing
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  #4  
Old 10-10-2022, 08:57 PM
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PFA's are absolutely a human-caused problem, as these chemicals aren't produced by any natural process. The biggest polluters are the military and firefighters, because the most prolific use was in fire fighting foam. This is a particularly interesting toxin, because it's actually non-toxic, but exposure is cumulative and it kills your internal organs by volume. In the human body, the half life of the more common PFAs is seven years. So if you're dosed, you're pretty much dosed for life. Your personal dose grows over time, because this stuff is everywhere. Pretty much all of us have some level of PFA in our bloodstreams, and we're never rid of it.


The fact that it's in deer means it's in the water supply, so hopefully they're investigating that.
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  #5  
Old 10-10-2022, 09:42 PM
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Quote:
Originally Posted by Mxfrank View Post
PFA's are absolutely a human-caused problem, as these chemicals aren't produced by any natural process. The biggest polluters are the military and firefighters, because the most prolific use was in fire fighting foam. This is a particularly interesting toxin, because it's actually non-toxic, but exposure is cumulative and it kills your internal organs by volume. In the human body, the half life of the more common PFAs is seven years. So if you're dosed, you're pretty much dosed for life. Your personal dose grows over time, because this stuff is everywhere. Pretty much all of us have some level of PFA in our bloodstreams, and we're never rid of it.


The fact that it's in deer means it's in the water supply, so hopefully they're investigating that.
rain water, atmospheric deposition. Few deer drink at the fountain
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  #6  
Old 10-12-2022, 10:02 AM
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If that was true, the it would be a catastrophe. PFAs tend to stay close to the point of release., they’re only good characteristic. There is very limited atmospheric deposition, and it tends to occur within a few miles of solid waste incinerators. Another limited source is organic farming, because fertilizers based on organic waste concentrate PFAs. The most intense concentrations will be found around military bases and chemical factories. For the deer to have absorbed significant quantities, there has to be one or more concentrated release points near a waterway.
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  #7  
Old 10-12-2022, 12:05 PM
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Too late.
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  #8  
Old 10-14-2022, 07:35 PM
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Its not necessarily the water supply, as it is the vegetation that was sprayed for a fire.
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  #9  
Old 10-14-2022, 07:37 PM
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The length of line doesn't mean anything, except they spend less time dropping gear in the water. A boat can only hold a certain amount of catch, and a market can only purchase what it can sell. If the boat makes one trip with a 60-mile longline, isn't this much better than 60 trips with a one-mile line? Seems like much less risk and pollution to me...
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  #10  
Old 10-17-2022, 05:34 PM
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Quote:
Originally Posted by Marcianello View Post
Its not necessarily the water supply, as it is the vegetation that was sprayed for a fire.

Nope. aqueous foam is used for fuel fires, gas or oil. The pollution hotspots are usually airports, fire fighter training facilities and military.
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  #11  
Old 10-20-2022, 06:18 PM
E300d 1995
 
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Quote:
Originally Posted by Marcianello View Post
The length of line doesn't mean anything, except they spend less time dropping gear in the water. A boat can only hold a certain amount of catch, and a market can only purchase what it can sell. If the boat makes one trip with a 60-mile longline, isn't this much better than 60 trips with a one-mile line? Seems like much less risk and pollution to me...
Yes, it's much better to make one trip than several.

I don't know for sure, but guessing the longer the line = the more frequent it breaks leaving the hooks to keep catching fish that will not be brought to market.

My main concern is the depletion of healthy breeding age marine life. Most of us love good fresh seafood, and that's why overfishing is occurring. There are too many people to provide for and profit trumps common sense most of the time.
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  #12  
Old 10-20-2022, 06:25 PM
E300d 1995
 
Join Date: Jun 2017
Location: Near Lake Texoma
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Really sad to learn the Great Salt Lake is drying up. In my younger days I enjoyed trips to Salt Lake City. Haven't met a Mormon yet that I haven't liked, plus the scenery and snow skiing nearby during the winter season.

https://www.pbs.org/newshour/show/utahs-great-salt-lake-shrinks-to-unsustainable-levels-amid-a-decades-long-megadrought
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  #13  
Old 11-04-2022, 01:35 PM
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Good website for info on what is impacting the earth.

https://earth.org/record-deforestation-in-the-amazon/

I have to limit my reading of the articles because most of the articles are negative. But there are a few good ones.

https://earth.org/project-drawdown/
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  #14  
Old 11-05-2022, 04:55 PM
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The bad, Chinese overfishing

The good, US Coast Guard trying to do good

https://www.voanews.com/a/china-fishing-fleet-defied-us-in-standoff-on-high-seas-/6815717.html

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