Media Math Fail: Why Everywhere Can’t Warm Faster Than the Global Average

Over the past several years, the mainstream media has repeated tired headlines declaring that “Region X is warming twice (or more) as fast as the rest of the world.” This is false, but it may not be immediately apparent why. These sensational comparisons present regional warming rates out of context. They exoticize statistical quirks in order to generate fear, with scant attention to uncertainties, baseline differences, or the urban heat island effect.

Recent headline examples include:

According to the John Locke Foundation, additional lists abundantly claim similar findings for many regions—Africa, the Mediterranean, India, Pakistan, China, West Asia, Singapore, Japan, even Antarctica—each reported to be warming “faster than the global average,” sometimes “twice,” “three times,” or even “four times” faster.

These headlines all share the same lazy narrative template: choose a region, compare its trend to a global average, trumpet the difference, and ignore any nuance. But note the absurdity: nearly simultaneous claims that Canada, Europe, Russia, Asia, Africa, Antarctica, and more are all warming “twice as fast” or more than the rest of the world.

That’s mathematically incoherent. If multiple regions are all warming twice as fast, the global average would have to be higher so they couldn’t all be twice the average.

There are several major problems with these headlines, but the main issues are these:

  1. Statistical framing artifacts
    Regions with more land area, especially high‑latitude or Arctic‑bordering ones, tend to warm faster than oceans. Land heats more rapidly, and ice–albedo feedback amplifies warming at the poles. Because much of Earth is ocean—which warms more slowly—the global average is diluted. Comparing that low average to a land‑heavy region naturally yields a large multiplier. But that doesn’t mean those regions are mysteriously overheating. It just reflects known physical geography.
  2. Urban Heat Island (UHI) & infrastructure growth
    Many cited trends include data aggregated over decades in countries undergoing rapid development. Canada, Russia, Europe and Asia have seen major urban expansion. Asphalt, concrete, power plants, and population density raise local ambient temperatures. Weather stations near growing cities or industrial zones record higher trends but it is not purely atmospheric warming. Yet media coverage only rarely mentions UHI, station siting, or energy‑waste heat as contributing factors.
  3. Baseline and period selection
    Different studies use different baselines (e.g., 1948‑2016 vs. 1991‑2021) and start dates. That choice can influence rate estimates: comparing post‑1980 data (when polar amplification accelerated) against mid-century baselines inflates the seeming trend. Similarly, countries with older data records may sample different periods than global averages. The media fails to specify these comparators, creating the illusion of uniformity.
  4. Sampling bias and sparse coverage
    In remote regions like Siberia, northern Canada, or Antarctic margins, station density is low. Sparse high‑latitude data skew averages when heavily weighted, despite large uncertainty bands. Aggregating such data into national means exaggerates variability versus well‑monitored global surface networks.

Looking at Canada, Europe, Russia, Asia, and even the microcosm of National Parks, all touted as warming faster than the rest of the world, illustrates the variance between records.

First, looking at Canada where cited figures (≈1.7 °C warming versus ~0.8 °C globally between mid‑century and 2010s) derive heavily from Arctic amplification zones and urbanizing southern cities. UHI and expanding energy use in cities like Toronto, Calgary, and Vancouver skew the national trend upward, especially when northern areas lack dense station coverage.

In Europe, the WMO/Copernicus report estimates a warming trend of roughly +0.5 °C per decade on land vs ~+0.2 °C globally since the 1980s. But Europe includes high‑latitude zones plus dense urban centers. Coastal ocean areas are cooler and are not equally counted in continental land average. Declining snow cover in some areas and changing albedo amplify warming readings in Scandinavia and Eastern Europe. Again, urbanization influences the station bias.

Official Russian ministry data report warming at ≈0.42 °C per decade since 1976, or 2.5× the global trend (~0.17 °C). But Russia spans the Arctic land mass, and has been undergoing massive infrastructure projects. UHI impacts, heating systems, industrial development, and station siting biases in growing cities all amplify the perceived warming rate. Also, station coverage in Siberia is scant, which leads to significant uncertainty in that part of the world.

Looking at Asia; recent WMO‑Asia report claims Asia warmed nearly twice the global average (≈1.04 °C above 1991‑2020 baseline in 2024). But Asia is massive and heterogeneous – as in, there is a wide range of geography and urban vs. rural zones in the South, Southeast, Mid‑latitudes, and high‑altitude zones. There has famously been extensive urbanization across India, China, and Southeast Asia. Asian megacities certainly raise local temperature readings. The report lumps multiple region types into one, “Asia,” hiding all of that internal variation and urban effects.

The claim from The Weather Channel that “America’s National Parks Are Warming Twice As Fast As The U.S.” is yet another example of the media’s penchant for cherry-picking regional trends and comparing them to a diluted national average to generate an alarming headline. Much like the dubious “twice as fast” claims made for Canada, Russia, Europe, and Asia, this framing is statistically misleading—especially when it leans heavily on the inclusion of Alaska’s Arctic parks, where natural polar amplification is well established, and on park locations in mountains and deserts that are more sensitive to temperature swings.

By focusing only on select National Parks and amplifying their trends, the article stokes public anxiety without any context, glossing over the more mundane reality that regional rates in the U.S. will always differ due to geography, data coverage, and the simple fact that the “global average temperature” is defined by the vast, slow-warming oceans and non-park lands. The end result is a scare tactic headline that does far more to inflame than to inform.

Again, if every region is proclaimed to warm faster than the global average, then the global average would rise, contradicting the media’s premise. This is like if every student in a class claimed they scored higher than the class average.

The media fails to report uncertainty in the datasets, ignore that land warms faster than oceans, almost always ignore the urban heat island effect and issues with station siting, gloss over disparities like start and end dates for datasets, and treat each region’s warming separately while ignoring trends elsewhere.

These repetitive, formulaic “Region X warming twice as fast as global average” headlines aren’t helping to educate the public about global warming, it really is just statistical sensationalism. All of the claims can’t be true in aggregate, but somehow the media is utterly incurious about how it’s possible for every location to be warming faster than every other location. This is a failure of journalism across the board, every time one of these headlines go out without the proper nuances, it should be embarrassing for the journalists involved.

Anthony Watts Thumbnail

Anthony Watts

Anthony Watts is a senior fellow for environment and climate at The Heartland Institute. Watts has been in the weather business both in front of, and behind the camera as an on-air television meteorologist since 1978, and currently does daily radio forecasts. He has created weather graphics presentation systems for television, specialized weather instrumentation, as well as co-authored peer-reviewed papers on climate issues. He operates the most viewed website in the world on climate, the award-winning website wattsupwiththat.com.

Originally posted at ClimateREALISM

The climate data they don't want you to find — free, to your inbox.
Join readers who get 5–8 new articles daily — no algorithms, no shadow bans.
4.8 19 votes
Article Rating
38 Comments
Inline Feedbacks
View all comments
August 8, 2025 6:19 pm

The authors and fear-mongers are innumerate.

Reply to  Retired_Engineer_Jim
August 9, 2025 3:02 am

And innumerable!

Scarecrow Repair
August 8, 2025 6:21 pm

Africa, India, and all the small Asian countries are freezing, apparently. No other conclusion avails me.

ETA: And the US, deathly cold too.

Dave Burton
August 8, 2025 6:34 pm

I find it remarkable how many climate scientists apparently don’t get the joke about Lake Woebegone, “where all the children are above average.”

Harvard’s Jerry Mitrovica has same problem. He gave talk for the National Academy of Sciences (the 2011 Arthur M. Sackler Colloquium) about sea-level rise, which is on Youtube here:

https://www.youtube.com/watch?v=RhdY-ZezK7w&lc=z131xreyjuqddpeqi04chvj4czatz35yauc0k

His graphs showed an “average” rate of sea level rise which was greater than ANY of the sites he analyzed!

These are my annotations of two of the slides from his talk:

comment image

comment image

Unfortunately, the National Academy of Sciences (which is now the “National Academies of Sciences, Engineering, and Medicine”) censored the comments on YouTube, to prevent criticism. They fake-approved but “shadowbanned” (hid) my comments. (That was back before YouTube started heavily censoring comments, themselves.) Later the NAS disabled comments completely, effectively deleting all the comments on the video.

Neither Dr. Mitrovica nor the video’s NAS owners responded to my enquiries, so I posted a “revised & extended” version of my comments here, instead:

https://sealevel.info/mitrovica_cmts01.html
(That’s a bit out of date, now — sorry.)

E. Schaffer
August 8, 2025 7:01 pm

Oh, come on. There is a lot of truth to these claims, and a huge omission. The simple reason why almost every country is warming faster than the global average, is because of this:

comment image

The north is warming faster than the south! The problem is just, the north is also where aerosols should have been cooling and neutralized GH-related warming. And that is an actual problem with the narrative, going very deep into the core of the things.

Aerosols in “Climate Science”

Nick Stokes
Reply to  E. Schaffer
August 8, 2025 7:22 pm

Yes. And the land is warming faster than the ocean, which is 70%. That is how the arithmetic works.

leefor
Reply to  Nick Stokes
August 8, 2025 9:02 pm

So how does average global warming in places become twice (or more) the average in multiple zones, mathematically. 😉

Bryan A
Reply to  leefor
August 8, 2025 10:10 pm

Easy…New Math…1+1=3

Gilbert K. Arnold
Reply to  Bryan A
August 9, 2025 8:42 am

or in the inimitable words of the late Tom Lehrer: https://www.youtube.com/watch?v=UIKGV2cTgqA

Reply to  Nick Stokes
August 9, 2025 12:26 am

Let’s look at temperature change in Alaska, see if you can figure out which site GISS will homogenise to. !!

alaska-temp-change-since-1977
Reply to  Nick Stokes
August 9, 2025 5:23 am

And the land is warming faster than the ocean, which is 70%. That is how the arithmetic works.

I’m glad you used the term arithmetic. That IS what simple arithmetic gives for an answer. Now since you know how to calculate a simple arithmetic average (5th grade math), tell us in scientific terms what the variance/standard deviation of the data included that simple arithmetic average actually is.

In terms of metrology, combining the means of two entirely different measurands is meaningless. Would you combine the density of steel with the density of air in an average and claim that the mean has significance? Why would you average the temperature of water with a very high heat capacity with the temperature of air over land that has a low heat capacity?

E. Schaffer
Reply to  Nick Stokes
August 9, 2025 6:23 am

Sure, but the point is what I said. The north should not have been warming in the first place, because it was getting cooled by aerosols..

Reply to  E. Schaffer
August 9, 2025 12:29 am

Raw Arctic temperatures look like this.. BG (before Giss)

arctic_temp
Dave Fair
Reply to  bnice2000
August 9, 2025 9:15 am

Well, that just can’t be right; it counters governments’ established narrative!

Reply to  E. Schaffer
August 9, 2025 1:53 am

Aerosols in “Climate Science”

I agree. There are a lot of aerosols in Climate Scientology.
[youtube https://www.youtube.com/watch?v=ngdQEPODWuo?si=5B8m1F99_SjpI5JR&w=560&h=315%5D

Reply to  Zig Zag Wanderer
August 9, 2025 3:19 am

🙂 🙂

2hotel9
Reply to  Zig Zag Wanderer
August 9, 2025 7:56 pm

Climatology. I love it!

Dave Burton
Reply to  E. Schaffer
August 11, 2025 8:59 am

E. Schaffer, that’s an interesting bar chart. Will you please share the source (or, if you made the chart yourself, will you please share the data source)?

Thanks,
Dave

Dave Burton
Reply to  E. Schaffer
August 15, 2025 1:46 pm

E. Schaffer, did you see my comment to you? Please share the source for that bar chart showing maximum warming in the Arctic, which is not a surprise, but very little warming from 64S-90S (Antarctica & part of the Southern Ocean), which is new information to me.

BTW, if you happen to notice these comments after commenting has closed, you can find my contact info on my website.

Dave Burton
Reply to  Dave Burton
August 17, 2025 2:52 pm

To anyone interested…

E. Schaffer replied via private email:

The data are here..

https://data.giss.nasa.gov/gistemp/tabledata_v4/ZonAnn.Ts+dSST.txt

My reaction is that it’s bizarre that GISS pretends to know average temperatures over all of Antarctica in 1880 to within 0.01°C, considering that no human being had even made it to the south pole until 1911.

I get tired of “climate scientists” just making stuff up.

Reply to  Dave Burton
August 17, 2025 5:23 pm

It is “climate scientists” and “statisticians” working together to find a way to obtain the smallest measurement values and uncertainty.

I’ve had so-called statisticians on twitter tell me that since annual averages are made up from 365 days, a 100 year average is a sample of 36500. So when you divide by the √36500, you reduce the standard error by at least two orders of magnitude, thereby letting the mean have a large number of decimal digits.

Aetiuz
August 8, 2025 7:48 pm

I’m sorry, Mr. Watts, but you are wrong. Dead wrong. Everywhere is a metaphor for Lake Woebegone. Where Everywhere is above average. LOL

Denis
August 8, 2025 8:19 pm

It is called the Lake Wobegon principle, where all the children are above average.

Bryan A
August 8, 2025 10:04 pm

With everyplace warming twice as fast as the global average the global average must make the world a really cool place to live

sherro01
August 9, 2025 12:16 am

Anthony,
All supported by my article “When Every Temperature is Above Average” written a year ago and published in Quadrant Magazine. Geoff S

When Every Temperature is Above Average – Quadrant

August 9, 2025 1:47 am

Reminds me of good old motorhead: Everything louder than everyone else!

1000014353
papijo
August 9, 2025 3:05 am

This time, I think that the media are true …!
The continents become much warmer than the oceans (2 times, 3 times … ?). So all the continents are possibly 2 times warmer than the whole globe !

Ex-KaliforniaKook
August 9, 2025 8:35 am

Thank you for this article, Mr. Watts! Back in 2008 – 2010 (just one of those years, but I forget which one) there were a series of article posted on WUWT that discussed how different parts of the world were heating faster than the rest of the planet. In fact, excepting the oceans, there were only two small areas that year that were not reported on. I believe one was in South America, and one was in Africa. I had been telling my lunch group about these findings, which they took very seriously. Near the end of that summer, I pointed out the two areas that had not been mentioned as heating faster than anywhere else in the world to my fellow physicists and engineers. Suddenly, they really perked up, realizing that it made no sense that everywhere except these two small areas were not exceptionally heating! They asked me for my source of information, which I told them was WUWT. Well, you were pooh-poohed as an echo chamber – and I was ostracized from the group. that was OK. I was tired of listening to a bunch of guys who were so sure the Earth was overheating because an international team of climate scientists said so, without examining the basis for that conclusion. The evidence was there in the details and frequently differed greatly from the executive summary.

Wish I’d thought to mark all those articles and even write an article about this oddity.

August 9, 2025 9:16 am

This little swindle has been going on for some time. 😁

Every Place On Earth Warming Faster Than Every Other Place On Earth

rovingbroker
August 9, 2025 10:03 am
  • Media Math Fail: Why Everywhere Can’t Warm Faster Than the Global Average

Reminds me of “And all the children are above average” from NPR’s A Prairie Home Companion, created and hosted by Garrison Keillor.

August 9, 2025 10:18 am

This should be in the Three Question Test for Cognitive decline (Mini Cog). In fact, depending on the countries included in the average, the answer could be – some countries are heating at greater rates and some countries are warming at slower rates, versus the average … and is the average a number average, a landmass square meters average… or what. It’s a stupid question to begin with. There is no correct global average… or you might say there are many global averages depending on the choice for the base … be it – land area, population, altitude, number of square meters of fresh water lakes, insect population, farm animal plus pet population, etc.

Reply to  Danley Wolfe
August 9, 2025 11:40 am

The correct version of the question is not how far we are from where we have been, we should be asking how far are we from the optimum global .temperature!

Mr.
Reply to  Jim Gorman
August 9, 2025 2:10 pm

But Jim, your optimum might be quite different to my optimum.

Sheesh, the Missus and I can’t even agree on the optimum temp for our lounge room.
Let alone outdoors.

Maybe the world govenors such as the UN will have to impose by edict an optimum GAT that will compulsory apply to localities all around the globe?

Reply to  Mr.
August 9, 2025 9:11 pm

“Climate science” is NOT the the appropriate arbiter of determining the correct global temperature. I do believe there is a large range of temperature that allows maximum adaptation for everything on the planet.

Climate science has wasted at least 50 years ignoring the fact that in order to properly decide an appropriate goal it is necessary to involve a host of different scientific disciplines to determine what might be the optimum temperature.. Instead, it was better to keep the available funding within climate science rather than share it.

Steve B.
August 10, 2025 11:42 am

The media misuse and abuse statistics all the time due to either ignorance, intention or both.l Nevermind their knowing the difference between mean, median, mode of a measurement population distribution.

It’s unremarkable that any country would be measured as warming either more than or less than another country if the actual temperature measurements were all within the margin of error of the temperature measurement systems being used.

Half of the media have IQs below the median!

Sparta Nova 4
August 11, 2025 9:49 am

“it should be embarrassing for the journalists involved”

For objective journalists, certainly. However we are faced with the writings of advocacy journalists who are permitted to publish their opinions as “news.”

Sparta Nova 4
August 11, 2025 9:56 am

Why is the globe warming?

It is clear, very simple.

The multitude of people claiming to be “Climate Scientists” (and their millions of cohorts) emitting hot air all the time not only raises the atmospheric temperature, but with 20,000 ppm of CO2 per exhale are the principle drivers of the anthropogenic CO2 rise.

It is worse when Congress is in session.

Now, award me $1T so I can continue the research.

August 12, 2025 8:45 am

The areas mentioned as “warming twice as fast as the rest of the world” are all land, ~75% of the Earth’s surface is ocean which doesn’t warm as fast as land so it’s not a surprising finding!