Environmental News

Discussion in 'Environmental Discussion' started by tochatihu, Oct 22, 2015.

  1. tochatihu

    tochatihu Senior Member

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    Elsewhere I suggested that biogeochemistry has not much overlap with military history/education. The above soon popped up to prove me wrong.
     
  2. hill

    hill High Fiber Member

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    Mayans went bye-bye for much of the same reasons. Drought & deforestation. Hard to have empathy for a culture so bent on human sacrifice though.
    .
     
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  3. tochatihu

    tochatihu Senior Member

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    Yes they seem to have done, but with some differences. A much shorter timeline. They left much less written topical records. Limestone caves in Maya-Land have not been examined for paleoclimate information to nearly the same extent.

    ==
    You add an important idea. Deforestation in Dynasty-Land has been pervasive in time and space. Links of that to paleoclimate have not been thoroughly examined.
     
  4. tochatihu

    tochatihu Senior Member

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  5. tochatihu

    tochatihu Senior Member

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    Poop for agriculture:

    Recycling human, animal excreta reduces need | EurekAlert!

    This makes sense in terms of nitrogen and phosphorus. However, safety recalls for fruits and vegetables already result from fecal contamination. Study authors may have addressed that in article I've not yet read.

    ==
    Some readers are aware of Hyperion waste treatment plant (WTP) in Los Angeles. It differs from many WTP by reclaiming biosolids into agricultural fertilizer, and (bacterial) methane for energy production.

    Sewage Treatment in Los Angeles – Where Does the Waste Go? - Curating Los Angeles
     
    #2445 tochatihu, Dec 11, 2024
    Last edited: Dec 11, 2024
  6. tochatihu

    tochatihu Senior Member

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  7. tochatihu

    tochatihu Senior Member

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  8. tochatihu

    tochatihu Senior Member

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    “US President-elect Donald Trump on Tuesday vowed to speed up environmental approvals for those investing $1 billion or more in the United States.”

    https://www.terradaily.com/reports/Trump_vows_fast_environmental_approvals_for_1_bn_investments_in_US_999.html

    Description of X-tweet did not specify that only fossil-energy investments of this size would get kind handling, and renewable-energy investments would not. So that remains unknown.

    I cannot justify why investments of this size should evade US laws and regulations including environmental ones. While smaller investments would not. I cannot justify why any investments should evade US laws and regulations.

    Because life with health would be said by many to be a Great US Thing.
     
  9. bisco

    bisco cookie crumbler

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    i'm sure he will be slackening many safety requirements, so there is hope for the small investor.
     
  10. tochatihu

    tochatihu Senior Member

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    I harbor no illusion that:

    https://nph.onlinelibrary.wiley.com/doi/epdf/10.1111/nph.20298

    Will get read by many here. But there are things to notice.

    Crop yields per area (Fig. 1) disagree with another I recently posted. It would be of great value to sort out this matter. What crops and where have leveled off?

    Rubisco is not the only part of photosynthesis, but it is big. An enzyme, therefore a protein, it is the most abundant protein on earth. I mean, who would not want to know that? Cellulose, a polysaccharide, is the most abundant abundant biomolecule on earth. China has only one time zone while France has 13. But I digress.

    Authors propose to pump up rubisco in a variety of ways. Transgenic (GMO) has its doubters. Gain-of-function would I suppose be seen as benign here, but very controversial in medical areas.

    University of Illinois at Urbana-Champaign is one of top ten places in world very dedicated to figure out agriculture to feed humanity in (say) 2050 AD. These things matter.

    US DoE funded this. US EPA, USDA, and US NSF fund similar. It is much to be hoped that such US science funding persists while politics blows one way or another.
     
  11. tochatihu

    tochatihu Senior Member

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  12. tochatihu

    tochatihu Senior Member

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  13. bisco

    bisco cookie crumbler

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    i love dragonflies, ladybugs and lightning bugs (fireflies) but i don't see many of the latter anymore
     
  14. ChapmanF

    ChapmanF Senior Member

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    As a kid, I saw lots of ladybugs. These days I pretty much only see Asian lady beetles.
     
  15. bwilson4web

    bwilson4web BMW i3 and Model 3

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    My first CAD drawing was a Dragonfly. Back when computers used card decks.

    Bob Wilson
     
  16. ChapmanF

    ChapmanF Senior Member

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    A work-study colleague in the computer center when I was in college used to make killer bees out of the trimmed ends of colorful wires after a day of splicing 50- or 100-pair cables in our wiring closets.
     
  17. bisco

    bisco cookie crumbler

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    there was a ladybug on our ceiling this am, 10f outside
     
  18. ChapmanF

    ChapmanF Senior Member

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    Are you sure it was a ladybug and not an Asian lady beetle?
     
  19. bisco

    bisco cookie crumbler

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    no, it was on the cathedral ceiling about 6' above me, and my vision isn't too good. i'll look up the asian lady, are they more common these days?
     
  20. bisco

    bisco cookie crumbler

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