Opinion editor’s observe: Star Tribune Opinion publishes letters from readers on-line and in print every day. To contribute, click on here.


What a transferring, thorough and totally heart-breaking story you’ve instructed within the article “Can they arrive again?” (an installment of the occasional sequence “Vanishing North,” Oct. 9) in regards to the disappearance of the Poweshiek skipperling butterfly from the Minnesota panorama. How touching the efforts of Cale Nordmeyer and Erik Runquist to care about these tiny creatures and need to save them.

The methods the human race has altered the Earth so carelessly, as if chopping down forests, paving over prairies, draining wetlands, utilizing dangerous chemical compounds in our air, soil and water, as if this is able to by no means meet up with us: Properly, it has.

It has baffled me that conversations about local weather change appear to focus, nevertheless late and nevertheless little, on decreasing carbon emissions. And but that is just one a part of the issue. Habitat loss for numerous creatures, chopping down timber wanted to absorb CO2 and supply shade, all contribute not solely to species extinction but in addition to the warmth island we now name the Twin Cities. But main building websites proceed to eat up habitat, including asphalt and cement by the acre.

This final 12 months I watched an enormous tract of land in Champlin, the place my grandson and I used to see turkeys and red-tailed hawks, get eaten up by many one-story industrial buildings and their parking heaps. Farewell to the turkeys and hawks.

I hope I see a Poweshiek skipperling butterfly sometime. However I attempted to take pleasure in this morning by getting out for my stroll whereas the massive full moon was nonetheless within the sky. I like the moon — it is certainly one of my favourite parts of nature. And I like that we will not destroy it. It is already barren.

Karen Jeffords-Brown, St. Paul


I wish to reply an Oct. 9 letter writer’s query of whether or not somebody can clarify why crypto mining with its large use of electrical energy is an effective factor.

Bitcoin mining represents lower than 0.5% of the world’s electrical energy consumption and secures a worldwide digital community that has by no means been hacked and that now has greater than 100 million customers, a lot of whom dwell in international locations with double-digit or triple-digit inflation and the place their private property could also be topic to seizure by authoritarian regimes. Additionally it is necessary to notice that bitcoin mining’s sustainable vitality utilization is rising yearly. The Bitcoin Mining Council now estimates the vitality combine is as much as 59.5% renewable. Different analysis ranges from 40% to 75%.

Bitcoin mining is extraordinarily aggressive, and miners can find their rigs wherever on the planet the place energy is reasonable or stranded: for instance, hydroelectric energy in Iceland, or wind and solar energy in Texas. Miners there’ll purchase extra wind and photo voltaic vitality when costs are low-cost and can flip off their operations throughout excessive demand intervals, thus stabilizing and incentivizing the growth of the renewable vitality electrical grid. Exxon and others are mining bitcoin with methane fuel, a byproduct of oil manufacturing that may usually be vented or flared into the environment.

Bitcoin has been the best-performing asset previously decade, it has modified the lives of many underprivileged folks all through the world and its mining operations present a helpful service to the community. Please welcome these miners if they arrive to a city close to you.

Nat Robbins, Minneapolis


Regarding the Oct. 9 front-page article “Cashing in on going cashless,” each U.S. invoice clearly states: “This observe is authorized tender for all money owed, private and non-private.” In view of this, I used to be underneath the impression that each enterprise that held itself out to do enterprise with the general public legally needed to settle for U.S. dollars if provided in cost. Apparently, I’m mistaken! What’s the regulation on this?

In any case, if my cash is just not ok for a spot, I am not going to do enterprise there.

Don E. Scheid, Northfield

Opinion editor’s observe: To “tender” is to supply. Foreign money outlined as “authorized tender” underneath Section 31 U.S.C. 5103 is a legitimate and authorized supply of cost. According to the Federal Reserve at tinyurl.com/faqs-tender, “there is no such thing as a federal statute mandating {that a} personal enterprise, an individual, or a corporation should settle for forex or cash as cost for items or companies.” Some states do have laws requiring companies to simply accept money (tinyurl.com/states-cash).


I learn “Cashing in on going cashless” with some amusement. A few weeks in the past, I used to be operating errands with my 7-year-old grandson. He requested for a few quarters to purchase sweet from a dispenser. I agreed. Later, he requested if I’d purchase him one thing from a close-by retailer. “This time, would you employ actual cash, Grandpa?” he requested. “I am undecided what you imply,” I replied. “You realize,” he mentioned, “the cash in your iPhone!”

Vince Therrien, Burnsville


Do many individuals know that utilizing a card or an app provides as much as 5% to the price? Guess who pays this. For this reason many small busineses give a money low cost. I could also be paranoid, however I do not need my transactions tracked and my information offered. Large enterprise likes cashless, as most individuals spend extra. If you wish to use a card, accomplish that, however do not take away my freedom to make use of money.

David Newville, Coon Rapids


I’ve a modest proposal for chief executives of Comcast/Xfinity. It is likely to be helpful for senior execs at Xcel, CenturyLink, Verizon and different utility-like organizations. It additionally would possibly apply to senior managers in metropolis, county and state authorities organizations.

Name your customer support line as soon as every week.

I would recommend doing it extra typically, however I notice you might be busy folks. As soon as every week. Make the decision your self from a private cellphone. Have an issue prepared to debate — a standard one or one thing a bit completely different. You possibly can most likely get ideas out of your present customer support recordsdata (if yow will discover them).

You would possibly need to funds quite a lot of minutes of your busy schedule — similar to your prospects should do. Chances are you’ll uncover all the things is hunky-dory and get a heat glow of satisfaction as a result of all the things is working as you’ve deliberate.

In case you’re not happy, even after a number of makes an attempt to resolve your downside, you possibly can fireplace the proxy firm you’ve got employed to deal with buyer “service.” Or fireplace whoever (finally) solutions the cellphone.

However it’s a decent job market, and folks at that degree are exhausting to interchange. In case your name is irritating, why not fireplace your self? The job marketplace for C-level positions is extra strong.

Doug Wilhide, Minneapolis


An Oct. 9 letter author (“Time’s up) seeks to cancel the caricature “Dilbert,” which pillories company, interpersonal and political foolishness of all stripes, as a result of, nicely, her political oxen are additionally being gored. That is an instance of a tragic and recurrent intuition by the left to purge and suppress imagined enemies. The identical individuals who get misty-eyed over the sins of McCarthyism two, occurring three, generations in the past are those who’re decided to quash any departure from, even parody of, the brand new left-wing orthodoxy.

In the meantime, “Doonesbury” carries on, with some strips repeating from many years in the past with none name for “off along with his head” from conservatives. Let hundreds of parodies and satires bloom, is my suggestion. The brand new McCarthyists on the left must be ashamed of themselves, and the Star Tribune should not give in (because it sadly did with the “Mallard Fillmore” strip) to the would-be hecklers’ veto.

Douglas P. Seaton, Edina

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