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Bjorn Lomborg Profile picture
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Dec 6 • 5 tweets • 1 min read
Hey twitters!

Do you have a good idea for a title for my new book?

It details the world’s most effective solutions: tackling tuberculosis, malnutrition, bad education, corruption etc.

Leave your suggestion below, and heart any others you like!

Thanks Image
Non-great ideas:

Doing best first: The dozen most effective policies for the world
How to spend $24.6 billion to make the world a better place

(the $24.6 billion would likely be the annual cost for a dozen amazing policies for the world)
maybe:

The best policies for the 2020s: Fixing the SDGs with simple, smart and effective policies
Certainly descriptive:

Halftime but nowhere near halfway: How the world is failing on the Sustainable Development Goals but where it can still help the most

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More from @BjornLomborg

Bjorn Lomborg Profile picture
Nov 27
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
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…
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/…
Read 15 tweets
Bjorn Lomborg Profile picture
Nov 26
𝗖𝗼𝗹𝗱 𝗸𝗶𝗹𝗹𝘀 𝗺𝘂𝗰𝗵 𝗺𝗼𝗿𝗲 𝘁𝗵𝗮𝗻 𝗵𝗲𝗮𝘁

Each year, heat kills half a million people

but cold kills 4.5 million people — 𝟵𝘅 𝗺𝗼𝗿𝗲

Yet, most reporting focus on heat deaths, because it fits the climate narrative

thelancet.com/journals/lanpl… Image
Cold kills much more than heat on every continent

US+Canada: 20K heat but 171K cold (8x more)

Europe 179K vs 657K cold (4x)

Africa 1.2m cold deaths

Asia 2.4m cold deaths

Yet, most reporting focus on heat deaths, because it fits the climate narrative

thelancet.com/journals/lanpl… Image
Cold kills much more than heat everywhere

And high energy prices make it much worse

Costly energy will kill 𝟭𝟰𝟳,𝟬𝟬𝟬 more people in Europe this winter

The climate narrative shouldn't be allowed to ignore this enormous problem

Image
Read 5 tweets
Bjorn Lomborg Profile picture
Nov 25
Higher energy costs will mean colder houses, killing 𝟭𝟰𝟳,𝟬𝟬𝟬 more people in Europe this winter

If mild winter, 'only' 79,000
If frigid winter, 185,000

Yes, cold kills much more than heat
Yes, high heating costs will kill 79-185K

economist.com/interactive/gr…
A 10% rise in electricity prices is associated with a 0.6% increase in deaths

Perhaps surprisingly, cold kills more in warm countries that are not well-adapted to tackle really cold weather

(whereas Finland can take almost any kind of cold)

economist.com/interactive/gr…
Italy could see the highest cold deaths

because electricity costs up almost 200%

and Italy is a warm country, unused to tackling cold

economist.com/interactive/gr…
Read 6 tweets
Bjorn Lomborg Profile picture
Nov 23
Your tax money at work:

New research: Climate means 5% 𝗺𝗼𝗿𝗲 rainbows on average

But some hotspots will see "severe rainbows decline"

(Africa and S America won't have quite as many more rainbows)

Don't we have more important things to research?

sciencedirect.com/science/articl…
Are rainbows really the first place the world should spend more research time?

Worrying that climate

"could influence an aspect of the climate system that humans have held dear throughout history and around the world: rainbows."

We need to start asking:

is the world doing too much research on climate challenges (like rainbows) compared to other important human challenges like asteroid impacts, pandemics, and super volcanos?

@RogerPielkeJr

papers.ssrn.com/sol3/papers.cf…
Read 4 tweets
Bjorn Lomborg Profile picture
Nov 16
The dishonesty of the climate debate

Why should rich countries pay $trillions/year in climate reparations? Because "crescendo of disasters" and similar claims

Reality: fatalities and costs of climate disasters down, for rich, poor, and all countries

sciencedirect.com/science/articl… ImageImage
Despite it being manifestly untrue, publications will tell you that extreme weather is creating a "crescendo of disasters" which cost ever more

Here AFP from today, but really in all kinds of news stories, euractiv.com/section/climat… Image
Whereas global weather costs (% GDP) declined from 1990-2022

You have to use % of GDP: with 2x houses, same flood will flood twice the number of houses. Even UN insists on measuring in % of GDP (11.5.2, unstats.un.org/sdgs/metadata/…)

tandfonline.com/doi/full/10.10…
rogerpielkejr.substack.com/p/weather-and-… Image
Read 4 tweets
Bjorn Lomborg Profile picture
Nov 13
The world has lots of large problems (tb, malaria, hunger, poor education etc.)

but only one issue gets the attention of first-world protesters (who don't get tb, malaria etc)

So, now Barcelona students must take mandatory climate crisis module from 2024 theguardian.com/world/2022/nov…
Several people in the comments say "but climate change makes x worse" like malnutrition

This is a first-world look-only-at-climate-change viewpoint: it is slightly true and wildly misleading

What matters for malnutrition is growth, far more than temp

Image
What matters for reducing malnutrition: economic growth

Climate matters little

Image
Read 4 tweets

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