Sarisha Perumal
@sariperu.bsky.social
Researcher working on air pollution and climate change in South Africa
Reposted by Sarisha Perumal
South Africa needs to accelerate the adoption of stricter vehicle emission standards.
This commentary addresses South Africa's current position regarding vehicle emission standards compared to other Global South countries.
https://ow.ly/8ebU50X8k08
#VehicleEmissions #SouthAfrica #AirPollution
This commentary addresses South Africa's current position regarding vehicle emission standards compared to other Global South countries.
https://ow.ly/8ebU50X8k08
#VehicleEmissions #SouthAfrica #AirPollution
October 16, 2025 at 8:45 AM
South Africa needs to accelerate the adoption of stricter vehicle emission standards.
This commentary addresses South Africa's current position regarding vehicle emission standards compared to other Global South countries.
https://ow.ly/8ebU50X8k08
#VehicleEmissions #SouthAfrica #AirPollution
This commentary addresses South Africa's current position regarding vehicle emission standards compared to other Global South countries.
https://ow.ly/8ebU50X8k08
#VehicleEmissions #SouthAfrica #AirPollution
Reposted by Sarisha Perumal
ASSAf publishes policy brief on air quality offsets as an air quality management instrument.
This article provides an overview of this new approach.
https://ow.ly/9vP550X8k9b
#AirQualityManagement #Policy #ASSAf #EnvironmentalPolicy #SouthAfrica #Offsets
This article provides an overview of this new approach.
https://ow.ly/9vP550X8k9b
#AirQualityManagement #Policy #ASSAf #EnvironmentalPolicy #SouthAfrica #Offsets
October 23, 2025 at 6:00 AM
ASSAf publishes policy brief on air quality offsets as an air quality management instrument.
This article provides an overview of this new approach.
https://ow.ly/9vP550X8k9b
#AirQualityManagement #Policy #ASSAf #EnvironmentalPolicy #SouthAfrica #Offsets
This article provides an overview of this new approach.
https://ow.ly/9vP550X8k9b
#AirQualityManagement #Policy #ASSAf #EnvironmentalPolicy #SouthAfrica #Offsets
Reposted by Sarisha Perumal
1/4 of strokes are linked to air pollution! See the impacts of air pollution on noncommunicable diseases: www.stateofglobalair.org/hap/noncommu...
Learn how air pollution impacts cerebral blood flow: www.ahajournals.org/doi/full/10....
#SoGA2025 #ActOnNCDs #WorldStrokeDay
Learn how air pollution impacts cerebral blood flow: www.ahajournals.org/doi/full/10....
#SoGA2025 #ActOnNCDs #WorldStrokeDay
October 29, 2025 at 1:34 PM
1/4 of strokes are linked to air pollution! See the impacts of air pollution on noncommunicable diseases: www.stateofglobalair.org/hap/noncommu...
Learn how air pollution impacts cerebral blood flow: www.ahajournals.org/doi/full/10....
#SoGA2025 #ActOnNCDs #WorldStrokeDay
Learn how air pollution impacts cerebral blood flow: www.ahajournals.org/doi/full/10....
#SoGA2025 #ActOnNCDs #WorldStrokeDay
Reposted by Sarisha Perumal
One of the many things @ninalakhani.bsky.social does so well is show the very real, very now cost of climate change at the most human level. This story is devastatingly good: www.theguardian.com/environment/...
Americans are dying from extreme heat. Autopsy reports don’t show the full story
Official reports are likely to overlook heat’s role in a death. As US temperatures rise, experts say the true toll needs to be counted
www.theguardian.com
October 25, 2025 at 7:33 PM
One of the many things @ninalakhani.bsky.social does so well is show the very real, very now cost of climate change at the most human level. This story is devastatingly good: www.theguardian.com/environment/...
Reposted by Sarisha Perumal
“Clean air is not a peripheral issue; it is central to achieving climate goals, health targets & sustainable growth.” - SA Environment Minister Dr Dion George @aljazeera.com
He calls for clean air to be made central to development finance & for focus on regions previously left behind bit.ly/42MCHjw
He calls for clean air to be made central to development finance & for focus on regions previously left behind bit.ly/42MCHjw
Clean air is the new frontier of global cooperation
The G20’s first-ever focus on air quality marks a vital step towards protecting health, climate, and sustainable growth.
bit.ly
October 17, 2025 at 3:48 PM
“Clean air is not a peripheral issue; it is central to achieving climate goals, health targets & sustainable growth.” - SA Environment Minister Dr Dion George @aljazeera.com
He calls for clean air to be made central to development finance & for focus on regions previously left behind bit.ly/42MCHjw
He calls for clean air to be made central to development finance & for focus on regions previously left behind bit.ly/42MCHjw
Reposted by Sarisha Perumal
In 2023:
🗺️ 5 of the 10 most polluted countries were in Africa.
💰 Yet those countries received < $1 per person in air quality funding.
Learn more about disparities in clean air investment & see our recommendations 👇 bit.ly/47iVoNk
🗺️ 5 of the 10 most polluted countries were in Africa.
💰 Yet those countries received < $1 per person in air quality funding.
Learn more about disparities in clean air investment & see our recommendations 👇 bit.ly/47iVoNk
Funding in Africa
Air pollution is the second biggest threat to health in Africa, yet the continent receives less than 1% of global outdoor air quality funding from governments and development finance institutions. In ...
bit.ly
October 20, 2025 at 9:41 AM
In 2023:
🗺️ 5 of the 10 most polluted countries were in Africa.
💰 Yet those countries received < $1 per person in air quality funding.
Learn more about disparities in clean air investment & see our recommendations 👇 bit.ly/47iVoNk
🗺️ 5 of the 10 most polluted countries were in Africa.
💰 Yet those countries received < $1 per person in air quality funding.
Learn more about disparities in clean air investment & see our recommendations 👇 bit.ly/47iVoNk
Reposted by Sarisha Perumal
Join our webinar on Oct 28 (1-2:15 GMT) to hear:
✅ Key findings from the 2025 State of Global #AirQuality Funding report
✅ Where regional funding disparities exist
✅ How countries & donors can overcome barriers & scale up funding equitably
Register now: bit.ly/3KXgRDX @theadvocacyteam.bsky.social
✅ Key findings from the 2025 State of Global #AirQuality Funding report
✅ Where regional funding disparities exist
✅ How countries & donors can overcome barriers & scale up funding equitably
Register now: bit.ly/3KXgRDX @theadvocacyteam.bsky.social
October 21, 2025 at 4:50 PM
Join our webinar on Oct 28 (1-2:15 GMT) to hear:
✅ Key findings from the 2025 State of Global #AirQuality Funding report
✅ Where regional funding disparities exist
✅ How countries & donors can overcome barriers & scale up funding equitably
Register now: bit.ly/3KXgRDX @theadvocacyteam.bsky.social
✅ Key findings from the 2025 State of Global #AirQuality Funding report
✅ Where regional funding disparities exist
✅ How countries & donors can overcome barriers & scale up funding equitably
Register now: bit.ly/3KXgRDX @theadvocacyteam.bsky.social
Reposted by Sarisha Perumal
On my way to the Clean Air Champions away day in Southampton.
We're working on plans for our one day conferences: indoor air, air pollution in early life, air pollution in the 21st century (at Royal Soc of Chemistry) & more for Jan to March 2026:
www.ukcleanair.org
www.rsc.org/events/detai...
We're working on plans for our one day conferences: indoor air, air pollution in early life, air pollution in the 21st century (at Royal Soc of Chemistry) & more for Jan to March 2026:
www.ukcleanair.org
www.rsc.org/events/detai...
October 22, 2025 at 6:21 AM
On my way to the Clean Air Champions away day in Southampton.
We're working on plans for our one day conferences: indoor air, air pollution in early life, air pollution in the 21st century (at Royal Soc of Chemistry) & more for Jan to March 2026:
www.ukcleanair.org
www.rsc.org/events/detai...
We're working on plans for our one day conferences: indoor air, air pollution in early life, air pollution in the 21st century (at Royal Soc of Chemistry) & more for Jan to March 2026:
www.ukcleanair.org
www.rsc.org/events/detai...
Reposted by Sarisha Perumal
OK semi-unserious air pollution BOTEC that I couldn't resist. Apparently, France loses the equivalent of a Louvre Heist in air pollution (outdoor PM2.5)-related health damages every 14 hrs. In India, that number is < every 5 hrs.
(Calcs based on data from a 2019 WB analysis: lnkd.in/dd7Q3UV7)
(Calcs based on data from a 2019 WB analysis: lnkd.in/dd7Q3UV7)
October 22, 2025 at 8:23 AM
OK semi-unserious air pollution BOTEC that I couldn't resist. Apparently, France loses the equivalent of a Louvre Heist in air pollution (outdoor PM2.5)-related health damages every 14 hrs. In India, that number is < every 5 hrs.
(Calcs based on data from a 2019 WB analysis: lnkd.in/dd7Q3UV7)
(Calcs based on data from a 2019 WB analysis: lnkd.in/dd7Q3UV7)
Reposted by Sarisha Perumal
The ULEZ expansion is helping to improve the health of millions of Londoners.
Harmful NO2 concentrations are estimated to be down across London compared to a no-ULEZ scenario.
Central London - 54% lower
Inner London - 29% lower
Outer London - 24% lower
Harmful NO2 concentrations are estimated to be down across London compared to a no-ULEZ scenario.
Central London - 54% lower
Inner London - 29% lower
Outer London - 24% lower
October 22, 2025 at 10:21 AM
The ULEZ expansion is helping to improve the health of millions of Londoners.
Harmful NO2 concentrations are estimated to be down across London compared to a no-ULEZ scenario.
Central London - 54% lower
Inner London - 29% lower
Outer London - 24% lower
Harmful NO2 concentrations are estimated to be down across London compared to a no-ULEZ scenario.
Central London - 54% lower
Inner London - 29% lower
Outer London - 24% lower
Reposted by Sarisha Perumal
This month I announced that London has met legal limits for nitrogen dioxide for the first time ever.
When I became Mayor, we were told it would take 193 years. We did it 184 years earlier than predicted.
When I became Mayor, we were told it would take 193 years. We did it 184 years earlier than predicted.
London Ulez reduced nitrogen dioxide to legal limit, mayor says
The mayor of London says the fall in airborne toxins is due to the Ultra low emission zone expansion.
www.bbc.co.uk
October 22, 2025 at 12:25 PM
This month I announced that London has met legal limits for nitrogen dioxide for the first time ever.
When I became Mayor, we were told it would take 193 years. We did it 184 years earlier than predicted.
When I became Mayor, we were told it would take 193 years. We did it 184 years earlier than predicted.
Reposted by Sarisha Perumal
Africa is the fastest urbanising continent in the world, & #AirPollution is its 2nd biggest health threat.
Ahead of the #G20, South Africa's Environment Minister shares why improving #AirQuality can save lives, protect health & build fairer, more resilient economies 📺 👇 https://t.co/ebjipTv9Lv
Ahead of the #G20, South Africa's Environment Minister shares why improving #AirQuality can save lives, protect health & build fairer, more resilient economies 📺 👇 https://t.co/ebjipTv9Lv
October 16, 2025 at 11:42 AM
Africa is the fastest urbanising continent in the world, & #AirPollution is its 2nd biggest health threat.
Ahead of the #G20, South Africa's Environment Minister shares why improving #AirQuality can save lives, protect health & build fairer, more resilient economies 📺 👇 https://t.co/ebjipTv9Lv
Ahead of the #G20, South Africa's Environment Minister shares why improving #AirQuality can save lives, protect health & build fairer, more resilient economies 📺 👇 https://t.co/ebjipTv9Lv
Reposted by Sarisha Perumal
Latest Copernicus Observer: Air Quality Challenges in 2025: Europe’s Summer of Smoke, Dust and Ozone www.copernicus.eu/en/news/news... #wildfires #SaharanDust #airquality #ozone #CopernicusAtmosphere
@copernicusecmwf.bsky.social @ecmwf.int
@copernicusecmwf.bsky.social @ecmwf.int
October 16, 2025 at 1:19 PM
Latest Copernicus Observer: Air Quality Challenges in 2025: Europe’s Summer of Smoke, Dust and Ozone www.copernicus.eu/en/news/news... #wildfires #SaharanDust #airquality #ozone #CopernicusAtmosphere
@copernicusecmwf.bsky.social @ecmwf.int
@copernicusecmwf.bsky.social @ecmwf.int
Reposted by Sarisha Perumal
Calling for more chemistry-driven clean air reforms, environmental and public health experts insist on a change in the country’s clean air strategy.
cen.acs.org/environment/...
#India #AirQuality
cen.acs.org/environment/...
#India #AirQuality
Scientists push chemistry-driven policies to boost India’s air quality
Chemical atmospheric reactions generate most of the country’s fine particulate matter, but policies to reduce emissions lag behind
cen.acs.org
October 17, 2025 at 2:15 AM
Calling for more chemistry-driven clean air reforms, environmental and public health experts insist on a change in the country’s clean air strategy.
cen.acs.org/environment/...
#India #AirQuality
cen.acs.org/environment/...
#India #AirQuality
Reposted by Sarisha Perumal
A New Zealand study has estimated the health and economic cost of indoor #airpollution from wood burning, gas cooking and portable gas heaters.
Piece by me, with link to the peer-reviewed report.
www.theguardian.com/environment/...
Piece by me, with link to the peer-reviewed report.
www.theguardian.com/environment/...
Wood burning and gas cooking hugely costly to healthcare systems, New Zealand study finds
Experts suggest replacing gas hobs with electric ones, saying it is a win–win for health and the climate
www.theguardian.com
October 17, 2025 at 7:31 AM
A New Zealand study has estimated the health and economic cost of indoor #airpollution from wood burning, gas cooking and portable gas heaters.
Piece by me, with link to the peer-reviewed report.
www.theguardian.com/environment/...
Piece by me, with link to the peer-reviewed report.
www.theguardian.com/environment/...
Reposted by Sarisha Perumal
Lack of access to #AirQuality data prohibits targeted action and #CleanAir aspirations.
Low-cost sensors can put actionable data into the hands of those who need it most. We're delighted to co-host this deep dive with @airqo.bsky.social 👇
🗓️ Oct 16, 2025
Register 🔗 tinyurl.com/2xhp87dj
Low-cost sensors can put actionable data into the hands of those who need it most. We're delighted to co-host this deep dive with @airqo.bsky.social 👇
🗓️ Oct 16, 2025
Register 🔗 tinyurl.com/2xhp87dj
October 14, 2025 at 11:11 AM
Lack of access to #AirQuality data prohibits targeted action and #CleanAir aspirations.
Low-cost sensors can put actionable data into the hands of those who need it most. We're delighted to co-host this deep dive with @airqo.bsky.social 👇
🗓️ Oct 16, 2025
Register 🔗 tinyurl.com/2xhp87dj
Low-cost sensors can put actionable data into the hands of those who need it most. We're delighted to co-host this deep dive with @airqo.bsky.social 👇
🗓️ Oct 16, 2025
Register 🔗 tinyurl.com/2xhp87dj
Reposted by Sarisha Perumal
Looking for resources to talk about air pollution? Check out this teaching lesson plan on #AirPollution for children aged 10+ ➡️ talk.economistfoundation.org/resources/ai...
Free teaching resources about air pollution and who is responsible
Help students explore air pollution through fact-checked, high-quality classroom lessons. Suitable for children aged 10+.
talk.economistfoundation.org
October 14, 2025 at 6:39 PM
Looking for resources to talk about air pollution? Check out this teaching lesson plan on #AirPollution for children aged 10+ ➡️ talk.economistfoundation.org/resources/ai...
Reposted by Sarisha Perumal
Clean air funding for sub-Saharan Africa fell 91% in 1 year, even as cities across the region lead with innovation - from expanded #AirQuality monitoring to implementing cleaner transport.
Now international donors must match their ambition 🗞️🔽
https://bit.ly/3WC37AT
Now international donors must match their ambition 🗞️🔽
https://bit.ly/3WC37AT
Africa's Clean Air Funding Collapses 91 Percent Amid Crisis | News Ghana
International funding for outdoor air quality initiatives in Sub-Saharan Africa plummeted by 91 percent in 2023, dropping from $129 million to just $11.8 million, according to Clean Air Fund analysis ...
bit.ly
October 15, 2025 at 10:35 AM
Clean air funding for sub-Saharan Africa fell 91% in 1 year, even as cities across the region lead with innovation - from expanded #AirQuality monitoring to implementing cleaner transport.
Now international donors must match their ambition 🗞️🔽
https://bit.ly/3WC37AT
Now international donors must match their ambition 🗞️🔽
https://bit.ly/3WC37AT
Reposted by Sarisha Perumal
Clean Air Journal Vol. 35 No. 1 (2025) Now Available
This issue features research and insights on topics including the integration of air quality and climate change, vehicle emission standards in South Africa and Dar es Salaam.
https://cleanairjournal.org.za/issue/view/1280
This issue features research and insights on topics including the integration of air quality and climate change, vehicle emission standards in South Africa and Dar es Salaam.
https://cleanairjournal.org.za/issue/view/1280
October 7, 2025 at 6:57 AM
Clean Air Journal Vol. 35 No. 1 (2025) Now Available
This issue features research and insights on topics including the integration of air quality and climate change, vehicle emission standards in South Africa and Dar es Salaam.
https://cleanairjournal.org.za/issue/view/1280
This issue features research and insights on topics including the integration of air quality and climate change, vehicle emission standards in South Africa and Dar es Salaam.
https://cleanairjournal.org.za/issue/view/1280
Reposted by Sarisha Perumal
Integrating air quality and climate change: A policy imperative for human well-being and equity for the G20.
This editorial discusses South Africa's G20 Presidency theme of "Solidarity, Equity, and Sustainable Development.
https://ow.ly/gG4j50X8jWx
#ClimateAction #AirQuality #G20 #Policy
This editorial discusses South Africa's G20 Presidency theme of "Solidarity, Equity, and Sustainable Development.
https://ow.ly/gG4j50X8jWx
#ClimateAction #AirQuality #G20 #Policy
October 9, 2025 at 8:40 AM
Integrating air quality and climate change: A policy imperative for human well-being and equity for the G20.
This editorial discusses South Africa's G20 Presidency theme of "Solidarity, Equity, and Sustainable Development.
https://ow.ly/gG4j50X8jWx
#ClimateAction #AirQuality #G20 #Policy
This editorial discusses South Africa's G20 Presidency theme of "Solidarity, Equity, and Sustainable Development.
https://ow.ly/gG4j50X8jWx
#ClimateAction #AirQuality #G20 #Policy
Reposted by Sarisha Perumal
Adoption of Artificial Intelligence Tools and Resources Policy.
This news piece explores the adoption of an Artificial Intelligence Tools and Resources Policy by the journal.
cleanairjournal.org.za/article/view...
This news piece explores the adoption of an Artificial Intelligence Tools and Resources Policy by the journal.
cleanairjournal.org.za/article/view...
September 16, 2025 at 9:24 AM
Adoption of Artificial Intelligence Tools and Resources Policy.
This news piece explores the adoption of an Artificial Intelligence Tools and Resources Policy by the journal.
cleanairjournal.org.za/article/view...
This news piece explores the adoption of an Artificial Intelligence Tools and Resources Policy by the journal.
cleanairjournal.org.za/article/view...
Reposted by Sarisha Perumal
Clean Air Journal's inclusive language policy
This policy permits the publication of additional abstracts, written or narrated in any African language, supporting broader dissemination of scientific work.
cleanairjournal.org.za/article/view...
This policy permits the publication of additional abstracts, written or narrated in any African language, supporting broader dissemination of scientific work.
cleanairjournal.org.za/article/view...
September 18, 2025 at 7:02 AM
Clean Air Journal's inclusive language policy
This policy permits the publication of additional abstracts, written or narrated in any African language, supporting broader dissemination of scientific work.
cleanairjournal.org.za/article/view...
This policy permits the publication of additional abstracts, written or narrated in any African language, supporting broader dissemination of scientific work.
cleanairjournal.org.za/article/view...
Reposted by Sarisha Perumal
Mother is a verb as well as a noun, so I hope everyone can honor whatever mothers them and whatever capacity to mother they have, or the equivalent in whatever gender language works for them.
May 11, 2025 at 2:35 PM
Mother is a verb as well as a noun, so I hope everyone can honor whatever mothers them and whatever capacity to mother they have, or the equivalent in whatever gender language works for them.
Reposted by Sarisha Perumal
Poor #AirQuality is a climate health hazard which disproportionately affects marginalised communities.
Check out this excellent summary of the health impacts of #AirPollution, including mitigation strategies & resources for professionals & the public ⬇️ bit.ly/4jwUFMC
Check out this excellent summary of the health impacts of #AirPollution, including mitigation strategies & resources for professionals & the public ⬇️ bit.ly/4jwUFMC
Summary: Health Impacts of Poor Air Quality
Air pollution is linked to asthma, respiratory and heart disease, certain cancers, adverse birth outcomes, cognitive impairments, and premature death.
bit.ly
April 16, 2025 at 10:58 AM
Poor #AirQuality is a climate health hazard which disproportionately affects marginalised communities.
Check out this excellent summary of the health impacts of #AirPollution, including mitigation strategies & resources for professionals & the public ⬇️ bit.ly/4jwUFMC
Check out this excellent summary of the health impacts of #AirPollution, including mitigation strategies & resources for professionals & the public ⬇️ bit.ly/4jwUFMC
Reposted by Sarisha Perumal
📢Call for Abstracts #CleanAirForumNairobi
🔹Air quality monitoring
🔹Health effects of air pollution
🔹Household air pollution
🔹Sectors & sources (transport, waste, energy, agriculture, etc.)
🔹Remote sensing/satellite data
📝 Submit by May 12, 2025
🔗 bit.ly/42biYKx
🔹Air quality monitoring
🔹Health effects of air pollution
🔹Household air pollution
🔹Sectors & sources (transport, waste, energy, agriculture, etc.)
🔹Remote sensing/satellite data
📝 Submit by May 12, 2025
🔗 bit.ly/42biYKx
Sessions & Schedule | Clean Air Forum 2024
View the complete schedule of presentations, workshops, and discussions at the Clean Air Forum.
bit.ly
April 11, 2025 at 6:35 PM
📢Call for Abstracts #CleanAirForumNairobi
🔹Air quality monitoring
🔹Health effects of air pollution
🔹Household air pollution
🔹Sectors & sources (transport, waste, energy, agriculture, etc.)
🔹Remote sensing/satellite data
📝 Submit by May 12, 2025
🔗 bit.ly/42biYKx
🔹Air quality monitoring
🔹Health effects of air pollution
🔹Household air pollution
🔹Sectors & sources (transport, waste, energy, agriculture, etc.)
🔹Remote sensing/satellite data
📝 Submit by May 12, 2025
🔗 bit.ly/42biYKx