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Invisible smallest particles matter for air we breathe

Date Time Invisible smallest particles matter for air we breathe Researchers of the University of Helsinki have resolved for the first time, how the ultrafine particles of atmosphere effect on the climate and health. Atmospheric air pollution kills more than 10,000 people every day. The biggest threat to human health has been assumed to be the mass accumulation of atmospheric particles with diameter smaller 2.5 µm: the higher the mass and loss of visibility, the bigger the threat. The researchers of the Institute for Atmospheric and Earth System Research (INAR) at the University of Helsinki together with collaborators in China discovered that if we want to solve the accumulation of the biggest particles, we need to start with the smallest.

The invisible smallest particles matter for the air we breathe

13-year analysis sheds new light on wheat crop disease patterns in Ethiopia

 E-Mail IMAGE: A wheat field in Ethiopia with co-author Yoseph Alemayehu conducting a field survey with the mobile survey app used to gather data for the study described in the manuscript. view more  Credit: Dave Hodson (CC BY 4.0 https://creativecommons.org/licenses/by/4.0/) A new study of wheat rust a fungal disease that can harm wheat crops identifies previously unknown long-term trends and hotspots for wheat rust outbreaks in Ethiopia. A team of modelers from the University of Cambridge and the Universität Hamburg, along with surveillance experts from CIMMYT, EIAR and agricultural universities in Ethiopia, present these findings in the open-access journal

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