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HEI study links fossil fuel combustion with more than 1 million deaths globally

Fossil fuel combustion, a major source of air pollution, contributed to more than one million deaths globally in 2017, more than 27% of all deaths from outdoor fine particulate matter (PM2.5), according to a new report published by the Health Effects Institute (HEI).

Coal combustion alone was responsible for half of those deaths, with natural gas and oil combustion accounting for the other half. The burning of solid biofuels, such as wood for indoor heating and cooking, is another major source of PM2.5, accounting for an additional 740,000 deaths, especially across South Asia and Sub-Saharan Africa.

HEI initiated the Global Burden of Disease from Major Air Pollution Sources (GBD MAPS) global project to provide a comprehensive understanding of sources contributing the most to outdoor PM2.5 pollution and its health impacts. The data are aimed at supporting the active development of targeted air quality management strategies focused on specific pollution sources.


Absolute ambient PM2.5 burden and fractional sector, fuel, and disease contributions for the global average and for the top nine countries (McDuffie, et al., 2021)

Exposure to air pollution has long been identified as a substantial public health concern, causing severe respiratory and other health problems. According to HEI’s State of Global Air, PM2.5 is the sixth highest risk factor for deaths globally, accounting for nearly four million deaths in 2019 alone.

The new report noted that major sources of PM2.5 can vary by country and region, and different parts of the world were impacted by air pollution in different ways. While fossil fuel combustion made up most of the PM2.5 across the industrialized nations of the global north, windblown dust was a major source of PM2.5 in African countries.

Overall, the report indicates that a majority of PM2.5 in outdoor air comes from anthropogenic fuel combustion, suggesting that integrating air quality, energy, and climate policies is likely to bring substantial health benefits.

The study team, led by Dr. Erin McDuffie and Dr. Randall Martin of Washington University in St. Louis, USA, and Dr. Michael Brauer at The University of British Columbia in Canada, provide a first comprehensive global analysis estimating major sources of air pollution for every country in the world. All input data and results have been made publicly available.

Our key objective was to identify major sources of PM2.5 pollution and to understand how these sources change around the world. In some countries, our results are some of the first pieces of information they have on the major sources in their region.

—Dr. McDuffie

The investigators examined specific health impacts of exposure to different sources of PM2.5 at global, regional, and national scales using updated emissions inventories, satellite and air quality monitoring, and relationships between air quality and health to determine results. In reviewing the report, HEI’s Special Review Panel noted that results provide valuable additions to our understanding of how various sources of air pollution contribute to health burdens, allowing countries around the world to identify priorities and review policies and interventions.

The Health Effects Institute (HEI) is an independent, non-profit research institute funded jointly by the U.S. Environmental Protection Agency, industry, foundations, and development banks to provide credible, high-quality science on air pollution and health for air quality decisions. HEI’s research is selected, overseen, and peer reviewed by leading subject matter experts on environment and health without involvement of HEI’s public or private sponsors.



The study is interesting, but how are people supposed to heat and live without fossil fuels, because wood, oil and coal are used here. Chimneys blow the toxic pollutants high into the air, which then flow into the respiratory tract of living beings.
You could use heat pumps, but they are expensive and require a lot of electricity that we don't have and many people don't have electricity at home. Heat pumps with geothermal probes destroy the earth's crust because many holes are often drilled 200m deep into the earth.
My suggestion here is also a catalytic converter and particle filter in the chimneys!
A quick ban on all commercially used cars and delivery vans must come into effect by the end of 2022. How can it be that ICE and BEV are subsidized worldwide for businesses, foundations, associations and bigwigs even though these people and companies can deduct everything 100% for tax purposes. They don't pay taxes and are also subsidized! Is that legal
Hence an immediate ban on fossil fuels for the transport of goods. H2 or electrical power must be stipulated for all trucks, buses, trains and tractors. This is already possible now!

And now to us private citizens, whoever wants can buy or lease a BEV but must not be forced as we only emit 1% of the pollutants including CO2! That is a fact, even if this still skews studies. BEVs are junk after 10 years, ICEs are always alive! THANKS!


With petrochemical residue for more than 100 years this is not surprising


@ Herman: When was the last time that you've paid a visit to a psychiatrist?

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