we regard it as being among her more noteworthy efforts.

[lagoo]

1. Though her latest story is not equal to her best and best-known one (first published in 1864), we regard it as being among her more noteworthy efforts.
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2. The fast-expanding developing economies of India and China, where coal remains a major fuel source for more than two billion people, have long been regarded as among the biggest challenges to reducing carbon emissions.
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I don’t know whether I can use ‘as being among’ and ‘as among’ interchangeably?
I would like to know the reason if not.

 

[GoesStation]

They both look clumsy to me. If I were editing the first, I'd change it to … we regard it as one of her more noteworthy efforts. I'd write this for the second: … have long been regarded as some of the biggest challenges ….