Several weeks ago in the wake of the Minnesota Bridge collapse I posted the theory that being kicked around by former President Clinton aide Joseph Romm that blamed Gal Warming for the disaster. As Mr. Romm put it lob
“We are all facing far more extreme heat waves, floods, wildfires, rainstorms, droughts and hurricanes — yet our infrastructure apparently can’t handle the weather we have today, as Hurricane Katrina revealed. If we don’t adopt aggressive actions to prevent catastrophic climate change, we need to seriously climate-proof our electric grid, our levees, and our water and sewage systems”
Now for some this may be a stretch especially due to the fact that it seems the environmentally aware in this country seem to be able to blame everything going wrong on Global Warming. However, as off base as the Global Warming Bridge Collapse theory may seem to some this next idea may be the oddest yet.
According to a recent report, Pigeon poop may have played a major factor in the weakening of the bridge supports. The pigeon problem dates all the way back to the when the bridge was first built and got so bad that in 1996 screens were put up over support beams to try and get the pests from doing any damage.
Is theory a far out there idea without any type of scientific proof to back it up? Not according to Neal Langerman from the Health/Safety division of the American Chemical Society. Langerman states
”Every time you get a little bit of moisture there, you wind up having a little bit of electrochemistry occurring and you wind up with corrosion. Over a long term, it might in fact cause structural weaknesses”
With an official cause for the bridge collapse that killed 13 people and injured over a 100 more is yet to be reported by authorities, many are saying that weather played a major factor in the strength of the bridge.
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