Bjorn Lomborg Profile picture
Mar 5 9 tweets 7 min read
One of 12 best solutions for world's poorest:

Childhood vaccination

$1.7bn/yr ➡️

saves 523,000 lives/year

Pls retweet to support

@USAID @giz_gmbh @jica_direct_en

@elonmusk @BillGates @JeffBezos @WarrenBuffett @TheMukeshAmbani @Steven_Ballmer @MikeBloomberg @mackenziescott
More childhood vaccinations (measles etc)

cost $1.7bn/year

save 523,000 more lives each year

Per dollar, it delivers 101x social benefits

Summary of this amazing solution in Daily Nation (top Kenya paper), one of 35+ papers across world

New research: copenhagenconsensus.com/publication/ha…
Child immunization one of 12 best solutions for world's poorest:

In 2022, vaccines avoid 3.8m deaths

With $1.7bn/yr more, we can save 4.4m by 2030

We save ½ million lives every year

Each dollar delivers astounding 101x social benefits

New research: copenhagenconsensus.com/publication/ha…
5 million children under 5 die each year

Vaccines one of the most effective ways to help

They can save additional ½ million lives every year

for just $1.7bn/year

Each dollar, rupee or shilling delivers astounding 101x social benefits

New research: copenhagenconsensus.com/publication/ha…
Here are previous best investments:

Agricultural R&D

$5.5bn/yr ➡️

133m fewer hungry and $184bn/yr

New research: copenhagenconsensus.com/publication/ha…

See more:
Background: The world has promised everything to everyone with UN's Sustainable Development Goals #SDGs

But we're not delivering

We'll be half a century late

How to fix?

If we can't do everything, let's do the smartest things first
The world has 169 priorities, from peace, climate change, hunger, disease, and education to more recycling

169 priorities are like having none

And we're failing

We've identified the world's 12 most effective policies

Here writing with Debroy, PM Modi's economic advisor
economictimes.indiatimes.com/opinion/et-com…

In total, I'm writing about 12 of the world's most effective solutions over the next three months in more than 35 papers around the world
Here is my introduction to the most effective policies — the ones that will deliver vast positive impact for the world at a very modest cost

This is from Indonesia, The Jakarta Times
thejakartapost.com/opinion/2023/0…

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More from @BjornLomborg

Feb 23
One of 12 best solutions for world's poorest:

Agricultural R&D

$5.5bn/yr ➡️

133m fewer hungry and $184bn/yr

Pls retweet to support

@USAID @giz_gmbh @jica_direct_en

@elonmusk @BillGates @JeffBezos @WarrenBuffett @TheMukeshAmbani @Steven_Ballmer @MikeBloomberg @mackenziescott
Sustained agricultural R&D for poorer world means

133m fewer hungry

+ enormous benefits for farmers (higher prod) and consumers (lower price)

Summary of this amazing solution in Philippine Daily Inquirer (2.7m readers), one of 35+ papers across world

opinion.inquirer.net/161230/time-fo…
Agricultural R&D underfunded in poor countries: e.g. cassava, sorghum, yams

Higher-yielding seeds deliver benefits even when other problems (little irrigation and mechanization or bad market access)

Here investment for CGIAR, the organization that did original green revolution
Read 9 tweets
Feb 18
The world has 169 priorities, from peace, climate change, hunger, disease and education to more recycling

169 priorities is like having none

And we're failing

We've identified the world's 12 most effective policies

Here writing with Debroy, PM Modi's economic advisor
economictimes.indiatimes.com/opinion/et-com…

In total, I'm writing about 12 of the world's most effective solutions over the next three months in more than 30 papers around the world
Here is my introduction to the most effective policies — the ones that will deliver vast positive impact for the world at a very modest cost

This is from Indonesia, The Jakarta Times
thejakartapost.com/opinion/2023/0…
Read 4 tweets
Jan 29
Hurricanes in 2022 were unprecedented — as in 𝘂𝗻𝗽𝗿𝗲𝗰𝗲𝗱𝗲𝗻𝘁𝗲𝗱𝗹𝘆 𝘄𝗲𝗮𝗸

Globally, 2022 had the 2nd weakest hurricanes in the satellite era (1980-2022)

Did you see that reported anywhere?

tropical.atmos.colostate.edu/Realtime/index…

🧵
Globally, 2022 had some of the 𝗳𝗲𝘄𝗲𝘀𝘁 strong hurricanes in the satellite era (1980-2022)

Did you see that reported anywhere?

With 17 strong (Cat 3+) hurricanes, 2022 had the fourth-fewest strong hurricanes since 1980

tropical.atmos.colostate.edu/Realtime/index…
Globally, 2022 had some of the 𝗳𝗲𝘄𝗲𝘀𝘁 hurricanes in the satellite era (1980-2022)

Did you see that reported anywhere?

With 40 hurricanes, 2022 had the eighth-lowest number of hurricanes since 1980

tropical.atmos.colostate.edu/Realtime/index…
Read 6 tweets
Jan 27
Partisan "fact-checking" that incorrectly pushes alarmist climate narratives denies the public access to accurate data and open debate.

Ridiculous points on one side are left standing while so-called fact-checking censors inconvenient truths.

wsj.com/articles/parti…
You have to wonder if climate "fact-checkers" are ever going to look into absurd, alarmist claims like this:
Here is an alternative link to the article
archive.ph/QhTf9
Read 4 tweets
Jan 1
Climate-related disasters killed ever fewer in 2022 — 97.6% less than a century ago

Richer and more resilient societies reduce disaster deaths

and swamp any potential climate signal

Why is this not reported? Instead, media only delivers climate-doom

facebook.com/photo?fbid=721…
The risk of dying from climate-related disasters has declined precipitously

As the global population quadrupled over the century, the risk declined by 99% from the 1920s to the 2010s

A spectacular 99.4% reduction from 1920s to 2022

Update of sciencedirect.com/science/articl…
It is well-known that climate-related deaths are declining for almost all categories for both rich and poor countries because of higher wealth

Shouldn't we be told, rather than reporting on individual events, designed to scare kids and adults alike?

sciencedirect.com/science/articl…
Read 6 tweets
Dec 11, 2022
As winter descends in Northern hemisphere, stay warm!

Despite the climate narrative, almost everywhere cold is much more deadly than heat

Cheap and reliable energy to keep us warm used to be the hallmark of prosperous countries; no more because of our climate obsession

🧵+refs Image
Why is cold more dangerous?

Because it causes outer blood vessels to constrict to conserve core body heat, driving up blood pressure

Here 2+m measurements, 6 cities in the US

130+ is classified as high blood pressure

pubmed.ncbi.nlm.nih.gov/29677012/ Image
Blood pressure up in cold

Mayo clinic: "Blood pressure generally is higher in the winter and lower in the summer"

We see this over the year, here for 23,000 Chinese; markedly higher systolic blood pressure in winter months

academic.oup.com/eurheartj/arti…

mayoclinic.org/diseases-condi… Image
Read 9 tweets

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