Diarmid Campbell-Lendrum
@diarmidcl.bsky.social
Head of climate and health unit at WHO. Occasional cyclist for health, planet & pleasure. Most news on climate change & health is bad - so I mainly post on solutions & progress. And some dad jokes. All views here are personal, republication ≠ endorsement.
Pinned
Hi all!
Just turned up on Bluesky. Relaxing, isn't it?
I see the climate and health clan started without me 🙂
👋 @drmarianeira.bsky.social @jvipondmd.bsky.social @gchalliance.bsky.social @lancetcountdown.bsky.social @maibached.bsky.social @courtghoward.bsky.social @marinaromanello.bsky.social
Just turned up on Bluesky. Relaxing, isn't it?
I see the climate and health clan started without me 🙂
👋 @drmarianeira.bsky.social @jvipondmd.bsky.social @gchalliance.bsky.social @lancetcountdown.bsky.social @maibached.bsky.social @courtghoward.bsky.social @marinaromanello.bsky.social
Reposted by Diarmid Campbell-Lendrum
STUDY: “The aim of the current study was to investigate the effect of an outdoor cycling intervention on cognitive function and mental health and well-being in older adults.”
The effect of cycling on cognitive function and well-being in older adults
It has been demonstrated that, on their own, both exercise and stimulation from the environment can improve cognitive function and well-being in older adults. The combined effect of exercising in the ...
journals.plos.org
February 8, 2026 at 8:28 AM
STUDY: “The aim of the current study was to investigate the effect of an outdoor cycling intervention on cognitive function and mental health and well-being in older adults.”
Reposted by Diarmid Campbell-Lendrum
This is not the end of the fossil fuel era, but it is a clear sign that the end is approaching. Let's work harder to bring it home, now.
@gchalliance.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@docsforclimate.bsky.social
Green energy sector drove more than 90% of China’s investment growth last year, analysis finds
Industry bigger than all but seven world economies, and accounts for more than third of China’s economic growth
www.theguardian.com
February 5, 2026 at 9:52 PM
This is not the end of the fossil fuel era, but it is a clear sign that the end is approaching. Let's work harder to bring it home, now.
@gchalliance.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@docsforclimate.bsky.social
Reposted by Diarmid Campbell-Lendrum
Interesting letter from the CCC pointing out that, yes reaching net zero targets is feasible and is affordable, is largely based on proven technologies, and will deliver multiple benefits. www.businessgreen.com/news/4525199...
'The transition will lead to savings overall': CCC underscores affordability of net zero goals
Committee reiterates how delivering on net zero target is expected to result in costs equivalent to just 0.2 per cent of GDP, while unlocking multiple long-term benefits
www.businessgreen.com
February 4, 2026 at 5:01 PM
Interesting letter from the CCC pointing out that, yes reaching net zero targets is feasible and is affordable, is largely based on proven technologies, and will deliver multiple benefits. www.businessgreen.com/news/4525199...
Interview - Why universal, climate-resilient, low-carbon health systems should be the future of healthcare.
+ your regular reminder that a just transition to clean energy saves trillions of $, millions of lives, and a liveable planet for humanity. Something for everybody there.
bit.ly/BelemHAP
+ your regular reminder that a just transition to clean energy saves trillions of $, millions of lives, and a liveable planet for humanity. Something for everybody there.
bit.ly/BelemHAP
"Countries should be competing to do more": WHO on the Belém Health Action Plan
At COP30, the Belém Health Action Plan became the first global climate adaptation framework focused on health. WHO’s Dr Diarmid Campbell-Lendrum explains how the plan will prepare health workers for h...
bit.ly
February 4, 2026 at 4:15 PM
Interview - Why universal, climate-resilient, low-carbon health systems should be the future of healthcare.
+ your regular reminder that a just transition to clean energy saves trillions of $, millions of lives, and a liveable planet for humanity. Something for everybody there.
bit.ly/BelemHAP
+ your regular reminder that a just transition to clean energy saves trillions of $, millions of lives, and a liveable planet for humanity. Something for everybody there.
bit.ly/BelemHAP
Reposted by Diarmid Campbell-Lendrum
China has essentially built the entire US grid in the past 4 years, much of it solar and wind
www.bloomberg.com/news/article...
www.bloomberg.com/news/article...
January 28, 2026 at 5:55 PM
China has essentially built the entire US grid in the past 4 years, much of it solar and wind
www.bloomberg.com/news/article...
www.bloomberg.com/news/article...
Reposted by Diarmid Campbell-Lendrum
NEW – Analysis: EVs just outsold petrol cars in EU for first time ever | @mollylempriere.carbonbrief.org
Read here: buff.ly/5g3BVAp
Read here: buff.ly/5g3BVAp
January 27, 2026 at 2:45 PM
NEW – Analysis: EVs just outsold petrol cars in EU for first time ever | @mollylempriere.carbonbrief.org
Read here: buff.ly/5g3BVAp
Read here: buff.ly/5g3BVAp
Yes.
WHO assesses that air pollution kills a person every 5 seconds. The same clean energy that would solve the climate crisis would save millions of lives per year, and €£$ trillions in economic value, locally.
Smart nations are racing for more of it.
www.theguardian.com/commentisfre...
WHO assesses that air pollution kills a person every 5 seconds. The same clean energy that would solve the climate crisis would save millions of lives per year, and €£$ trillions in economic value, locally.
Smart nations are racing for more of it.
www.theguardian.com/commentisfre...
Air pollution kills thousands a year in the UK and abroad – why isn’t there a bigger uproar? | Devi Sridhar
Initiatives such as London’s ULEZ can be a model for other cities. But even more could be done to save lives and protect us from deadly toxins in the air, says Prof Devi Sridhar, chair of global publi...
www.theguardian.com
January 27, 2026 at 10:14 PM
Yes.
WHO assesses that air pollution kills a person every 5 seconds. The same clean energy that would solve the climate crisis would save millions of lives per year, and €£$ trillions in economic value, locally.
Smart nations are racing for more of it.
www.theguardian.com/commentisfre...
WHO assesses that air pollution kills a person every 5 seconds. The same clean energy that would solve the climate crisis would save millions of lives per year, and €£$ trillions in economic value, locally.
Smart nations are racing for more of it.
www.theguardian.com/commentisfre...
Reposted by Diarmid Campbell-Lendrum
WHO statement on notification of withdrawal of the United States
WHO regrets the United States’ notification of withdrawal from WHO – a decision that makes both the United States and the world less safe.
Full statement: bit.ly/46dT0HF
WHO regrets the United States’ notification of withdrawal from WHO – a decision that makes both the United States and the world less safe.
Full statement: bit.ly/46dT0HF
January 24, 2026 at 8:35 PM
WHO statement on notification of withdrawal of the United States
WHO regrets the United States’ notification of withdrawal from WHO – a decision that makes both the United States and the world less safe.
Full statement: bit.ly/46dT0HF
WHO regrets the United States’ notification of withdrawal from WHO – a decision that makes both the United States and the world less safe.
Full statement: bit.ly/46dT0HF
There has never been a better time to reduce reliance on imported, highly subsidised, polluting fossil fuels - and shift to healthy, clean, locally produced and now cheap renewable energy.
Also a chance of a liveable future - which is nice.
Great to now see many such stories from round the world.
Also a chance of a liveable future - which is nice.
Great to now see many such stories from round the world.
The EU’s electricity transition reached a new milestone in 2025 with wind and solar generating more power than fossil fuels, says new report by @ember-energy.org
👉 ember-energy.org/latest-insig...
👉 ember-energy.org/latest-insig...
European Electricity Review 2026 | Ember
The EU’s electricity transition reached a new milestone in 2025 with wind and solar generating more power than fossil fuels.
ember-energy.org
January 22, 2026 at 11:59 AM
There has never been a better time to reduce reliance on imported, highly subsidised, polluting fossil fuels - and shift to healthy, clean, locally produced and now cheap renewable energy.
Also a chance of a liveable future - which is nice.
Great to now see many such stories from round the world.
Also a chance of a liveable future - which is nice.
Great to now see many such stories from round the world.
Good on ya 🇦🇺
Australia adds 7 GW of renewables in 2025, stays on track for 2030 target www.pv-magazine.com/2026/01/13/a...
Australia adds 7 GW of renewables in 2025, stays on track for 2030 target
Australian Federal Energy Minister Chris Bowen says the country is on track to meet the government’s flagship target of 82% renewable energy by 2030 after solar, wind, and other renewables supplied ab...
www.pv-magazine.com
January 18, 2026 at 9:30 PM
Good on ya 🇦🇺
Agreed.
Evidence-based, positive and pragmatic advice here, for how to build on the strong majority of people around the world that want to accelerate the shift to healthy, clean, cheap, safe, reliable, local renewable energy - and make their communities better places to live.
Evidence-based, positive and pragmatic advice here, for how to build on the strong majority of people around the world that want to accelerate the shift to healthy, clean, cheap, safe, reliable, local renewable energy - and make their communities better places to live.
Some great climate communication advice from my friends at @pe-coalition.bsky.social.
@mason4c.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@jonathanpatz.bsky.social
@howardfrumkin.bsky.social
@katharinehayhoe.com
@yaleclimatecomm.bsky.social
@mason4c.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@jonathanpatz.bsky.social
@howardfrumkin.bsky.social
@katharinehayhoe.com
@yaleclimatecomm.bsky.social
potentialenergycoalition.org
January 17, 2026 at 9:26 AM
Agreed.
Evidence-based, positive and pragmatic advice here, for how to build on the strong majority of people around the world that want to accelerate the shift to healthy, clean, cheap, safe, reliable, local renewable energy - and make their communities better places to live.
Evidence-based, positive and pragmatic advice here, for how to build on the strong majority of people around the world that want to accelerate the shift to healthy, clean, cheap, safe, reliable, local renewable energy - and make their communities better places to live.
Reposted by Diarmid Campbell-Lendrum
Globally, no single day in 2025 was cooler than its 1991-2020 average.
climate.copernicus.eu/global-clima...
climate.copernicus.eu/global-clima...
January 14, 2026 at 12:44 PM
Globally, no single day in 2025 was cooler than its 1991-2020 average.
climate.copernicus.eu/global-clima...
climate.copernicus.eu/global-clima...
Big win for health and the environment. Shifting off coal and other fossil fuels to cheap local renewables saves lives, money, environmental damage - and dodges a major driver of geopolitical tension www.theguardian.com/business/202...
Coal power generation falls in China and India for first time since 1970s
‘Historic’ moment in biggest coal-consuming countries could bring decline in global emissions, analysis says
www.theguardian.com
January 13, 2026 at 6:55 AM
Big win for health and the environment. Shifting off coal and other fossil fuels to cheap local renewables saves lives, money, environmental damage - and dodges a major driver of geopolitical tension www.theguardian.com/business/202...
Reposted by Diarmid Campbell-Lendrum
“Uruguay did what most nations still call impossible: it built a power grid that runs almost entirely on renewables—at half the cost of fossil fuels. The physicist who led that transformation says the same playbook could work anywhere—if governments have the courage to change the rules.”
Uruguay’s Renewable Charge: A Small Nation, A Big Lesson For The World
Uruguay built a power grid that runs 99% on renewables—at half the cost of fossil fuels. Here’s how its bold energy overhaul became a global model.
www.forbes.com
January 10, 2026 at 8:29 AM
“Uruguay did what most nations still call impossible: it built a power grid that runs almost entirely on renewables—at half the cost of fossil fuels. The physicist who led that transformation says the same playbook could work anywhere—if governments have the courage to change the rules.”
Reposted by Diarmid Campbell-Lendrum
Wall Street’s biggest banks made more money financing green projects than they did from working with fossil fuel companies for a fourth straight year, even as they faced ongoing pressure to pull back from the business
Banks Notch Higher Fees From Green Bonds Than Fossil Fuel Debt
Wall Street’s biggest banks made more money financing green projects than they did from working with fossil fuel companies for a fourth straight year, even as they faced ongoing pressure to pull back from the business.
bloom.bg
January 2, 2026 at 4:01 PM
Wall Street’s biggest banks made more money financing green projects than they did from working with fossil fuel companies for a fourth straight year, even as they faced ongoing pressure to pull back from the business
Reposted by Diarmid Campbell-Lendrum
In news that should surprise no one…
280 million e-bikes are slashing oil demand far more than electric vehicles
E-bikes and scooters displace 4x as much demand for oil as all of the EVs in the world.
arstechnica.com
January 1, 2026 at 10:10 PM
In news that should surprise no one…
Reposted by Diarmid Campbell-Lendrum
In 2026 and beyond, WHO remains committed to saving lives and providing people everywhere with the best possible chance for good health and well-being.
Together, with science, solutions, and solidarity, we can build a healthier, safer, and more hopeful future for everyone.🧪🩷🫰
Together, with science, solutions, and solidarity, we can build a healthier, safer, and more hopeful future for everyone.🧪🩷🫰
January 1, 2026 at 3:50 PM
In 2026 and beyond, WHO remains committed to saving lives and providing people everywhere with the best possible chance for good health and well-being.
Together, with science, solutions, and solidarity, we can build a healthier, safer, and more hopeful future for everyone.🧪🩷🫰
Together, with science, solutions, and solidarity, we can build a healthier, safer, and more hopeful future for everyone.🧪🩷🫰
@who.int DG @drtedros.who.int and Minister of Health of COP Presidency 🇧🇷 @padilhando.bsky.social on why climate and health action is a legal, moral and economic imperative - and an excellent investment to save lives and improve health in 2026
www.bmj.com/content/391/...
www.bmj.com/content/391/...
Climate change threatens global health, but COP30 sparked hope
Deadly heatwaves, rising outbreaks of infectious diseases, and failing hospitals—the effects of climate change are among the greatest public health threats of the 21st century. Each year, extreme heat...
www.bmj.com
December 31, 2025 at 10:16 AM
@who.int DG @drtedros.who.int and Minister of Health of COP Presidency 🇧🇷 @padilhando.bsky.social on why climate and health action is a legal, moral and economic imperative - and an excellent investment to save lives and improve health in 2026
www.bmj.com/content/391/...
www.bmj.com/content/391/...
Chatting with my 🇬🇧/ 🇫🇷 17 yr old a while back, I mentioned that I liked the idea of first editions of great books, but wouldn’t buy one myself.
He got me a 1966 original of this masterpiece off EBay for Christmas.
Currently (re-) reading it with about 3 dimensions of pleasure.
He got me a 1966 original of this masterpiece off EBay for Christmas.
Currently (re-) reading it with about 3 dimensions of pleasure.
December 30, 2025 at 10:05 PM
Chatting with my 🇬🇧/ 🇫🇷 17 yr old a while back, I mentioned that I liked the idea of first editions of great books, but wouldn’t buy one myself.
He got me a 1966 original of this masterpiece off EBay for Christmas.
Currently (re-) reading it with about 3 dimensions of pleasure.
He got me a 1966 original of this masterpiece off EBay for Christmas.
Currently (re-) reading it with about 3 dimensions of pleasure.
Reposted by Diarmid Campbell-Lendrum
“South Africans like Dr. Booley have found a remedy for power cuts that have plagued people in the developing world for years. Thanks to swiftly falling prices of Chinese made solar panels and batteries, they now draw their power from the sun.”
www.nytimes.com/2025/12/30/c...
www.nytimes.com/2025/12/30/c...
Cheap Solar Is Transforming Lives and Economies Across Africa
www.nytimes.com
December 30, 2025 at 6:32 PM
“South Africans like Dr. Booley have found a remedy for power cuts that have plagued people in the developing world for years. Thanks to swiftly falling prices of Chinese made solar panels and batteries, they now draw their power from the sun.”
www.nytimes.com/2025/12/30/c...
www.nytimes.com/2025/12/30/c...
Reposted by Diarmid Campbell-Lendrum
Science's 2025 Breakthrough of the Year: The unstoppable rise of renewable energy.
Sample factoid: In 2024, China installed wind & solar electrical generation capacity roughly equivalent to what would be produced by 100 nuclear power plants.
@docsforclimate.bsky.social
@gchalliance.bsky.social
Sample factoid: In 2024, China installed wind & solar electrical generation capacity roughly equivalent to what would be produced by 100 nuclear power plants.
@docsforclimate.bsky.social
@gchalliance.bsky.social
Science’s 2025 Breakthrough of the Year: The unstoppable rise of renewable energy
Clean energy infrastructure is being deployed with unmatched scale and speed—and China is leading the way
www.science.org
December 29, 2025 at 12:51 AM
Science's 2025 Breakthrough of the Year: The unstoppable rise of renewable energy.
Sample factoid: In 2024, China installed wind & solar electrical generation capacity roughly equivalent to what would be produced by 100 nuclear power plants.
@docsforclimate.bsky.social
@gchalliance.bsky.social
Sample factoid: In 2024, China installed wind & solar electrical generation capacity roughly equivalent to what would be produced by 100 nuclear power plants.
@docsforclimate.bsky.social
@gchalliance.bsky.social
Reposted by Diarmid Campbell-Lendrum
As of 17 December, a total of 1283 attacks on health care – on facilities, staff, patients, supplies and ambulances – have been reported during the year, causing 1980 deaths and 1163 injuries among health workers and patients.
Health care is NEVER a target.
Health care is NEVER a target.
December 27, 2025 at 11:00 AM
As of 17 December, a total of 1283 attacks on health care – on facilities, staff, patients, supplies and ambulances – have been reported during the year, causing 1980 deaths and 1163 injuries among health workers and patients.
Health care is NEVER a target.
Health care is NEVER a target.
From our Director General @drtedros.who.int and Minister of Health of Brazil @padilhando.bsky.social.
Protecting health from climate risks is not an option - it is a legal, moral and economic obligation.
www.lemonde.fr/idees/articl...
Protecting health from climate risks is not an option - it is a legal, moral and economic obligation.
www.lemonde.fr/idees/articl...
« Protéger les populations contre les risques sanitaires liés au changement climatique n’est pas facultatif : c’est une obligation légale, morale et économique »
TRIBUNE. La COP30 a montré qu’investir dans les énergies propres et dans des politiques climatiques apporte des bénéfices immédiats pour la santé, assurent, dans une tribune au « Monde », Tedros Adhan...
www.lemonde.fr
December 21, 2025 at 8:34 AM
From our Director General @drtedros.who.int and Minister of Health of Brazil @padilhando.bsky.social.
Protecting health from climate risks is not an option - it is a legal, moral and economic obligation.
www.lemonde.fr/idees/articl...
Protecting health from climate risks is not an option - it is a legal, moral and economic obligation.
www.lemonde.fr/idees/articl...
Reposted by Diarmid Campbell-Lendrum
Spectacular! NYC’s congestion pricing program reduced health-harming air pollution by more than 20% inside the affected zone. That is a huge benefit to everyone who lives or works in the zone.
@docsforclimate.bsky.social
@gchalliance.bsky.social
@climatemuseum.bsky.social
@nyclimate.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@climatemuseum.bsky.social
@nyclimate.bsky.social
A first look into congestion pricing in the United States: PM2.5 impacts after six months of New York City cordon pricing - npj Clean Air
npj Clean Air - A first look into congestion pricing in the United States: PM2.5 impacts after six months of New York City cordon pricing
www.nature.com
December 15, 2025 at 12:55 PM
Spectacular! NYC’s congestion pricing program reduced health-harming air pollution by more than 20% inside the affected zone. That is a huge benefit to everyone who lives or works in the zone.
@docsforclimate.bsky.social
@gchalliance.bsky.social
@climatemuseum.bsky.social
@nyclimate.bsky.social
@docsforclimate.bsky.social
@gchalliance.bsky.social
@climatemuseum.bsky.social
@nyclimate.bsky.social
Reposted by Diarmid Campbell-Lendrum
Perhaps the most startling surge is in Pakistan, which is experiencing one of the fastest solar revolutions in the world. In just six years, the share of solar in its power mix went from zero to 30%. Pakistan’s surge is “preposterous,” said Havro. “This is the tipping point."
The surprising countries pulling off stunningly fast clean energy transitions | CNN
Fossil fuel production is still increasing and the United States is in climate denial mode. But, globally, the use of renewable energy is on the rise — and several countries are shifting to solar…
www.cnn.com
December 12, 2025 at 10:30 PM
Perhaps the most startling surge is in Pakistan, which is experiencing one of the fastest solar revolutions in the world. In just six years, the share of solar in its power mix went from zero to 30%. Pakistan’s surge is “preposterous,” said Havro. “This is the tipping point."