Atmospheric chemistry - 16 News by MPI für Chemie

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Atmospheric chemistry - 16 News by MPI für Chemie

Tip: You can further refine your news selection by countries and industries.

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Phasing out fossil fuels could save millions of lives

The mortality burden attributable to air pollution from fossil fuel use is considerably higher than most previous estimates - a phaseout of fossil fuels would have tremendous, positive health outcomes

05-Dec-2023 - A new study by an international team of scientists provides new evidence to motivate rapid fossil fuel phaseout. The science team determined exposure to ambient air pollution and its health impacts using an updated atmospheric composition model, a newly developed relative risk model and recent ...

atmospheric chemistry air pollution cardiometabolic diseases
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Mirror image molecules reveal drought stress in forests

Ecosystem changes can be more accurately predicted by emissions of chiral compounds

09-Sep-2022 - Worldwide, plants emit about 100 million tonnes of monoterpenes into the atmosphere each year. These volatile organic molecules include many fragrances such as the molecule pinene – known for its pine fresh scent. Since these molecules are highly reactive and can form tiny aerosol particles that ...

atmospheric chemistry aerosol particles air analytics
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Cleaner air as a result of coronavirus lockdown

Lockdowns in early summer 2020 meant that the amount of soot in the atmosphere, which is harmful to the climate and to health, almost halved

11-Aug-2022 - During the first lockdown of the coronavirus pandemic, soot concentrations in the atmosphere over Western and Southern Europe almost halved. This is apparent from the comparison of two measurement campaigns carried out by the German research aircraft HALO in 2017 and 2020. A new study suggests ...

atmospheric chemistry air pollutants air pollution
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Chemical triad forms seeds for clouds

Synergistic particle formation in the upper troposphere by nitric acid, sulfuric acid and ammonia

20-May-2022 - Atmospheric aerosol particles are needed as seeds to form clouds, but the controlling processes are not fully understood. By combining experiments in the CERN cloud cham-ber and computer modelling, a team of international researchers, including scientists from the Max Planck Institute for ...

atmospheric chemistry aerosol particles air pollution

Multiyear Tracking of Atmospheric Radicals

New method derive both short-lived atmospheric hydroxyl and chlorine radical concentrations over several years

13-Sep-2018 - Hydroxyl radicals (OH) keep our atmosphere clean. They react away toxic gases such as carbon monoxide (CO), and slow climate warming by removing greenhouse gases like methane (CH4). In some parts of the atmosphere, chlorine radicals (Cl) can also help this purification process, for example in the ...

atmospheric chemistry chlorine radicals cleaning agents
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Surprise from the jungle soil

Soil microorganisms in the Amazon rainforest can affect atmospheric chemistry

01-Aug-2018 - The Amazon rainforest is the largest forest on earth. Its trees emit huge amounts of volatile substances that influence the chemical composition of the air. Some of these substances are the so-called sesquiterpenes, very reactive chemicals that can rapidly consume ozone. Until recently scientists ...

atmospheric chemistry microorganisms ozone
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Reducing manure and fertilizers decreases atmospheric fine particles

A decrease of agricultural ammonia emissions avoids mortality attributable to air pollution

01-Nov-2017 - Fine particulates have numerous sources – not only traffic, which is currently under particular scrutiny. Reducing agricultural emissions could also considerably reduce the particulate levels that are hazardous to health, concludes a study by researchers at the Max Planck Institute for Chemistry ...

atmospheric chemistry agriculture air pollution
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Fine organic particles in the atmosphere are more often solid glass beads than liquid oil droplets

Glassy solid particles can facilitate long-distance atmospheric transport of hazardous organic pollutants

25-Apr-2017 - Secondary organic aerosols (SOA) are formed upon oxidation of volatile organic compounds in the atmosphere. They account for a large fraction of fine particulate matter and have a strong influence on regional and global air quality. Traditionally, SOA particles were assumed to be oily liquid ...

atmospheric chemistry aerosols air pollutants
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More deaths due to air pollution

Air pollution could claim 6.6 million lives by 2050

18-Sep-2015 - Every year 3.3 million people die prematurely from the effects of air pollution worldwide - a figure that could double by 2050 if emissions continue to rise at the current rate. This is the conclusion of a study carried out by a team of researchers at the Max Planck Institute for Chemistry in ...

atmospheric chemistry air pollutants air pollution
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Middle East: The atmospheric signs of the crises

Study shows how armed conflicts, political and economic crises and also environmental legislation impacts air quality

25-Aug-2015 - Political and economic crises as well as international conflicts may have short-term, drastic impacts on society and also on pollutant emissions. That's what researchers at the Max Planck Institute for Chemistry have found in a study of the Middle East. Scientists analyzed nitrogen dioxide ...

atmospheric chemistry emissions Nitrogen dioxide
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