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YmVsb3cpIHRvIHRoZSBBZHZlcnRpc2VyIEVkaXRvciAoTm90IHVzZWQpIGNvb This is a multi-part message in MIME format. --Boundary_(ID_sBgNd4m3pMhI1+nKliTL9Q) Content-type: text/plain; CHARSET=US-ASCII; format=flowed Content-transfer-encoding: 7BIT Great discussion, Dave et al. The link below is a new idea for getting solar energy from highways! http://solarroadways.com/main.html Lois Codling On 20/12/2014 9:07 PM, desolatechair wrote: > The 'delete it if you don't want to read it' argument has always been > a conundrum to me. It's difficult to make the delete decision > without knowing the contents, ie reading the post first. > > I suppose I could make an arbitrary decision to delete all posts by a > given writer. But that would limit my exposure to new and different > ideas, and defeat the purpose of subscribing to this list in the first > place. > > Respects, > > Jamie > > > > > Sent from Samsung Mobile > > > -------- Original message -------- > From: David & Alison Webster > Date:12-20-2014 7:33 PM (GMT-04:00) > To: naturens@chebucto.ns.ca > Subject: Scope of NatureNS: Re: Long again: Re: Long: Re: [NatureNS] > light > > Hi Nick & All Dec 20, 2014 > The capsule description of the scope of NatureNS, copied from the > "Welcome to NatureNS" e-mail is-- > "Why have NatureNS > > The site is provided for the sharing of information on > 1) the natural history of Nova Scotia and surrounding waters, > 2) it's conservation, and > 3) events and activities associated with it." > All members are furnished with an effective weapon for posts they > don't wish to read; the delete button. If this were a mechanical > device then mine would have been worn out many times. > My recent posts bear on possible ways to decrease acid rain and > emission of greenhouse gasses. I think both are important topics in > the context of conservation. > There is a widespread myth that there is no practical way to store > surplus wind energy and thus an ongoing need to continue thermal > generation. NS Power finds this excuse convenient because pouring coal > in one end of an existing pollution factory and getting power out the > other end does not take a great deal of planning or coordination. In > addition, the Donkin mine may open soon so it is possible that NSP > will be encouraged to use this local resource as much as possible by > expanding thermal generation capacity. > Opposition to wind generation has often come strangely enough from > Naturalists; organizations or individuals. This was helped I expect by > a famous site in California that was set in a raptor migration channel > in a mountain pass by, what a concidence, a Petrochemical Company. > There may still be some opposition to wind on Naturens so I think > refreshing the screen is justified. > And for the benefit of those who have joined recently I will paste > an old post-- > START OF PASTE\\\\\\\\\\\\\\ > Dear All, Sept 12, 2007 > Wind energy has some serious drawbacks that seem to have been > overlooked, the most serious being-- > 1) COST: How will increases in the cost of wind be absorbed into the > cost structure ? > > 2) MERCURY: Using wind to generate electrical power could result in less > usage of coal and thus less Hg in the environment. With less Hg in the > environment, Loons might become low in Hg, ride higher in the water and > consequently become top-heavy and have a tendency to flip sideways and > gargle at critical points in the call. > > 3) SEA BIRDS: Using wind to generate electrical power could result in > less usage of oil and less oiling of birds at sea. This biocontrol helps > to avoid overcrowding of sea bird colonies so a decrease in oil spills > could have serious consequences. > > 4) TREES: Using wind to generate electrical power could result in lower > concentrations of low-level Ozone, acid-rain and consequently lead to > less effective biocontrol of trees. And consequently, for example, > Spruce trees in the Annapolis Valley might begin to live longer than 80 > years, posing dangerous navigation hazards to flying birds as compared > to a low cover of Heath, Sedge and Alder > > 5) AIR: Using wind to generate electrical power could result in a lower > incidence of smog alerts, respiratory ailments and presumably health > problems in birds or other air-breathing wildlife. A decrease in the > incidence of smog could increase life expectancy, cause overcrowding and > increase the demand for electricity and nesting sites. > > 6) WIND: Using wind to generate electrical power is likely to slow the > wind down so that it doesn't get there on time, causing air pockets. The > recent Westjet air-pocket incident, far from the nearest wind farm, > shows how dangerous this effect can be. > > Yours truly, Dave Webster, Kentville > END OF PASTE\\\\\\\\\\\\\\\\\ > Yt, DW > > ----- Original Message ----- > *From:* Nicholas Hill <mailto:fernhillns@gmail.com> > *To:* naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca> > *Sent:* Saturday, December 20, 2014 3:58 PM > *Subject:* Re: Long again: Re: Long: Re: [NatureNS] light > > Is this narure? > Nick > > On Dec 20, 2014 3:54 PM, "David & Alison Webster" > <dwebster@glinx.com <mailto:dwebster@glinx.com>> wrote: > > Hi Steve & All, Dec 20, 2014 > Systems which do not work well, such as the Wales site, do > not prove that pumped storage can not work anymore than I can > prove, by direct demonstration, that music can not be > extracted from a violin. > > For pumped storage to work reliably one must have volume > sufficient to ride out any prolonged period of calm. An > account of a system which does work, > cut from a 2012 e-mail is pasted below. > > START OF PASTE > Re Ludington my letter (pasted below) to the Advertiser > Editor (Not used) contains the essentials. Also see > http://en.wikipedia.org/wiki/Ludington_Pumped_Storage_Power_Plant > START OF PASTE > Dear Editor: Sept 24, 2012 > According to Warren Peck (Register, Can we trust CANWEA ads > ?,Aug 2), electrical storage is still in the research and > development stage. > Well, the pumped storage facility in Ludington, Michigan > was built > between 1967 and 1975, is still functioning and has a capacity > of 1872 > Megawatts. It has served so well