Bjorn Lomborg Profile picture
Nov 27, 2022 16 tweets 10 min read Read on X
Polar bear population increasing

But doesn't fit climate narrative, so info cancelled

Reality:

Polar bears were intensely hunted

1976 world banned much hunting

Polar bear population recovered and now at its highest in 6 decades

🧵 + refs below Image
Polar bear numbers never higher

at 26,000 (22-31K), high and low estimates have never been higher

This is with the 'official data' from 2021, from IUCN (International Union for Conservation of Nature) and PBSG (Polar Bear Specialist Group), p5

iucn-pbsg.org/wp-content/upl… Image
Polar bear population increasing, 1981-2021

The IUCN+PBSG have made more estimates in the past. Surely they should also be included

For the 1981 meeting, the "status of polar bear populations by country" were estimated between 18,505 and 27,106, p39-41

portals.iucn.org/library/sites/… Image
Polar bear population increasing over past 60 years

"The First International Scientific Meeting on the Polar Bear" in 1965 highlights three population estimates (p11):

17-19K
5-8K
10K+

Highest estimate in 1960s still smaller than lowest estimate today

books.google.com/?id=oCEXAQAAIA… Image
Polar bear population is at its highest in six decades

1993-today: iucn-pbsg.org/wp-content/upl…
1981: portals.iucn.org/library/sites/…
1960s: books.google.com/?id=oCEXAQAAIA… Image
Polar bear population now at highest

Doesn't fit climate narrative, so must be canceled

Purported "fact-checks" cite scientists saying "there were no population estimates anywhere in 1960s, 1970s"

1965: three academic estimates



logically.ai/factchecks/lib… Image
Polar bear population now at highest

Doesn't fit climate narrative, so must be canceled

Purported "fact-checks" cite scientists saying "there were no population estimates anywhere in 1960s, 1970s"

1970: several IUCN estimates



factcheck.afp.com/doc.afp.com.9X… Image
Polar bear population now at its highest

But this doesn't fit the climate narrative, so must be canceled

Purported "fact-checks" allow campaigners to claim "no population estimates anywhere in 1960s, 1970s"

Just silly — there were 𝗹𝗼𝘁𝘀 of estimates

all smaller than today Image
In 1960s, huge concern for indiscriminate killing of polar bears

Since ratification in 1976 of Agreement on the Conservation of Polar Bears, kills have dropped from 1100+ to ~700 per year

That means more polar bears

researchgate.net/publication/28…
frontiersin.org/articles/10.33… Image
Polar bear population has increased over past 6 decades

While campaign scientists refute this for politically biased 'fact-checks' they quietly accept this when speaking to political friends, like CNN science:

'agree polar bear pop increased'

perma.cc/VYK2-E4VD Image
Polar bear population has increased since 1960s

But politically motivated 'fact-checkers' and scientists don't want you to know, because it doesn't fit the climate narrative

Such politicization of facts leaves everyone worse off

iucn-pbsg.org/wp-content/upl…
books.google.com/?id=oCEXAQAAIA… Image
Global warming is a real and manmade problem, and one that we should tackle smartly

But facts are crucial to understand the size of the challenge and the costs and benefits of our actions

You can read more about all three in my peer-reviewed paper sciencedirect.com/science/articl… Image
Recognizing facts also means we can make better policies

If we're truly worried about polar bears

Why do most people argue we should cut CO₂, which at best will help a little in 100 years?

We kill 700+ polar bears every year

— maybe first stop shooting 700+ polar bears? Image
How many shot in self-defense?

In Greenland, 63 kills in self-defense, 2007-16

Total quotas (approx filled) 2007-16 is 1,359

So just under 5%

These are unavoidable, we can only avoid 95% of all kills

nord.news/2021/10/21/79-…

stat.gl/dialog/main.as…
naalakkersuisut.gl/-/media/naalak…
My peer-reviewed article is apparently again behind pay-wall

It shouldn't be

You can access it here: researchgate.net/publication/34…

or here: lomborg.com/sites/lomborg.… Image
And predictably, the 'fact-checkers' are again telling Facebook and others to stamp out the data and enforce the climate narrative

archive.md/5QU2L
wsj.com/articles/parti…

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More from @BjornLomborg

Oct 31
Spanish floods are tragic — as they are everywhere

But remember flood deaths down dramatically

Globally, floods now kill 5,400/year, down from 400,000/year in 1930s

Deaths from European floods down 7-fold to less than 100 per year today

nature.com/articles/s4146…Image
Despite breathless climate reporting,

not only are European floods causing fewer deaths (tweet above) but

Losses from floods in Europe are declining, not increasing

nature.com/articles/s4146…Image
Death from flooding declining (2nd row)

not only for rich countries but for poor countries

Deaths declining for almost all extreme weather for rich and poor

for flood, flash flood, coastal flood, cold and wind

and for all extreme weather

sciencedirect.com/science/articl…Image
Read 5 tweets
Sep 15
New study: Climate change saves 282,000 babies

Higher temperatures mean more heat, and more babies dying from heat

but it also means less cold, and many more babies not dying from cold

In total, higher temps saved 282,251 babies in 29 poorer countries from 2000-19

Did you read that anywhere?

nature.com/articles/s4146…Image
As we have come to expect from studies of heat and cold, they use unequal scales, which makes heat and cold look about the same

— they're not, as you can see on the right


nature.com/articles/s4146…

Image
The study is very explicit in pointing out that the change in extra heat deaths and fewer cold deaths is caused by climate change

nature.com/articles/s4146…
Image
Read 6 tweets
Sep 11
EU climate policy has enormous costs

Industry electricity prices have increased 70% in real terms since 2000

EU industries now pay 2.7x the electricity price in the US (and 1.9x in China)

EU households now pay 2x US electricity price (and 3.3x China)

iea.org/data-and-stati…Image
EU climate policy causes high electricity costs

Consequently, EU can afford much less electricity per person

In this century, the EU has managed to get access to almost as much electricity per person as the US got in 1968


iea.org/data-and-stati…
data.worldbank.org/indicator/SP.P…Image
EU climate policy has enormous costs

Electricity prices for industry have increased 78% in real terms since 1978

EU industries now pay 2.5x the electricity price in the US (and 1.9x in China)

EU households pay 2x US electricity price (and 3.3x China)

iea.org/data-and-stati…Image
Read 5 tweets
Aug 30
Outrageously misleading climate scare from the UN

Today, 85% more old people die from heat

What they don't tell you:

There are now 86% more old people



un.org/sg/en/content/…
thelancet.com/journals/lance…
population.un.org/dataportal/
I write about this and many other heat scares from the UN in today's WSJ

wsj.com/opinion/united…
Here is UNICEF misinforming on heat
Image
Read 5 tweets
Aug 3
Fake news doesn't just come from foreign enemies

Friday, WHO claimed that 175,000 Europeans died from extreme heat

I pointed out that was untrue, almost 4x exaggerated

Saturday morning, WHO admitted this in the smallest possible way — they simply changed their website (and address) and had some online publications delete "extreme"

But, of course, by then the story had already made its intended impact across the world

WHO believes "Climate change is the greatest threat to global health in the 21st century" — which is just laughable and one of the reasons it was caught off-guard by Covid

This belief colors the 'findings' of WHO. In their Friday statement, the WHO Europe director explicitly worries about the "climate crisis" and expressed his support for climate action costing $1,000s of trillions (1.5oC target), so he obviously would like a dramatic and large number to make it around the world

Summary: WHO told us extreme heat kills 175K+, a number they've now admitted is almost 4x exaggerated. And they don't tell you that cold deaths at 657K are almost 4x bigger than all heat deaths. This is not informing you well

Journalists have to realize that when e.g. WHO says something, it also needs to be fact-checked

Friday claim:

Saturday update:

My tweet to ask for correction (which the director hasn't replied to):

The actual problem put in context:

WHO climate biggest challenge: web.archive.org/web/2024080206…
who.int/europe/news/it…


web.archive.org/web/2015100811…Image
WHO wrongly claimed that 175,000 Europeans die from extreme heat every year

This scary but wrong story got all the headlines

When called out, WHO acknowledged it by simply changing their website (and some online publications)

— but by then, all the scary stories had already had their impact

Friday claim:
Their update:

My tweet to ask for correction (which the director hasn't replied to):
The actual problem put in context: web.archive.org/web/2024080206…
who.int/europe/news/it…

Image
This is what WHO should tell you (because it is true):

Moderate cold is the biggest killer in Europe, followed by moderate heat, extreme cold, and only lastly by the smallest killer, extreme heat

But that doesn't fit the narrative

Image
Read 5 tweets
Jul 17
Another environmental scare debunked:

Acid rain killing all forests was the main environmental scare in the 1980s

A new half-century study shows acid rain doesn't kill trees

— actually, trees grow more with acid rain!

sciencedirect.com/science/articl…Image
Acid rain scare in the 1980s delivered full-on panic

No more so than in Germany, where papers claimed "the forest is dying," called it an "ecological Hiroshima" and claimed ‘‘the dying of the forests will have a greater impact on our country than World War II’’

All falseImage
The 1980s Acid Rain scare we know now was mostly false

New study: acid rain actually makes trees grow faster

Yet, a majority of Germans in 1985 believed "all forests will be dead by 2000" because of acid rain

We were misled


bibliothek.wzb.eu/pdf/1986/iiug-…
sauerlaender-verlag.com/CMS/uploads/me…Image
Read 7 tweets

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