Edit: I don't know who's downvoting this comment, but the parent is a climate change denier and I was responding to their (now flagged) claim that HN doesn't allow for "critical" comments about CC.

I agreed: HN users flag disinformation, specifically false claims that CC isn't happening or isn't anthropogenic.

The reply is rebutting that same user's reply to this comment (which is now also flagged).

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Critical about what? Like, denying the basic fact that CC is happening and carbon dioxide emitted by humans is driving it?

If so, yeah, I'm all for flagging disinformation on HN as a general rule.

Critical of the nature or conclusions of this specific study? Well, now, that depends.

One thing I didn't find in the abstract that bugged me was the total number of known penguin colonies. Four of five failed, here, but is that four of twenty? Or four of a thousand?

The article does mention that the penguins aren't projected to go extinct from the effects of climate change until the end of the century, which suggests there's still time to save the species.