It’s a mystery. Why has Arctic sea ice cover roared back so quickly over the last few years? Nobody knows – not one scientist on the planet can tell you, writes Willis Eschenbach in a short essay on the climate site Watts Up With That? It might be noted, of course, that there was no shortage of explanations when there was a cyclical downturn, mostly to do with humans having something to do with it. Ice melting at the Poles is still one of the crucial supports for the entire command-and-control Net Zero political agenda.

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The above graph shows changes in Arctic sea ice cover during the satellite era. Values are anomalies from the 1991-2020 average. Eschenbach notes that since around 1990, people have been talking about how human-emitted carbon dioxide is reducing the amount of Arctic sea ice. When it started dropping very fast, there was talk we’d passed a ‘tipping’ point from which the ice would never recover. Over this time, noted Eschenbach, predictions of an ice-free Arctic ocean abounded.

Old habits die hard. Despite the impressive recent ice recovery, talk of these tipping points – mostly an invention of so-called ‘attribution’ computer models – are ubiquitous. In his recent Frozen Planet II agitprop series for the BBC, Sir David Attenborough made a number of model-produced references to the Arctic being free of summer sea ice by 2035.

According to Eschenbach, there are more mysteries down in Antarctica.

Here Eschenbach poses the question – why did the Antarctic ice pack, unlike the Arctic pack, start increasing quite rapidly around 2008? Nobody knows, he says. Why did it differ from the Arctic by plateauing from 2010 to 2015, but then mirror the Arctic by dropping rapidly, and then turn around and start rebounding? You guessed it – nobody knows.

Finally the global situation.

Why has global sea ice followed this pattern, while CO2 continues to rise in the atmosphere, he asks. The politically-motivated alarmists constantly tell us the ice will soon all disappear. According to Eschenbach, not one climate scientist on the planet predicted these large changes in sea ice.

The author concludes:

Here’s the strangest part. Despite the failure of the many predictions of an ‘ice-free Arctic’, despite the falsified claims that we’ve passed a ‘tipping point’, despite the fact that the reasons for the curious and unexpected changes in the polar sea ice cannot be explained by anyone and the changes weren’t predicted by anyone – climate change scientists still insist that they can tell us what the global temperature will be like in the year 2100.

Of course, there are many sceptical scientists who seek answers to the cyclical nature of global ice outside the restrictive confines of ‘settled’ climate science. As the Daily Sceptic has often reported, short-term movements of ice are affected by often incalculable atmospheric heat exchanges, ocean currents and many other natural climatic variations.

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