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Howard University — Assistant, Associate, and Full Professor, Civil and Environmental Engineering : The Journal of Blacks in Higher Education
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MINNEAPOLIS, May 27, 2021 /PRNewswire/ Braun Intertec, an engineering, consulting, and testing firm with more than 35 offices in seven states, is pleased to announce that Sergio Guerra has joined the Braun Intertec Environmental Permitting and Compliance team. Guerra brings 20 years of experience in air quality with expertise in research, regulations, modeling, and consulting; giving him unique insight into the interaction of the theoretical and practical aspects of air quality. We are delighted to have Sergio bring his deep knowledge of air quality to our environmental permitting and compliance team, said Jon Carlson, Braun Intertec CEO. Sergio excels at developing client relationships and will be an asset to our team as we continue to expand the environmental regulatory expertise and consulting services we offer clients.
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High in the clouds, atmospheric aerosols, including anthropogenic air pollutants, increase updraft speeds in storm clouds by making the surrounding air more humid, a new study finds. The results offer a new mechanism explaining the widely observed - but poorly understood - atmospheric phenomenon and provide a physical basis for predicting increasing thunderstorm intensity, particularly in the high-aerosol regions of the tropics. Observations worldwide have highlighted aerosols impact on weather, including their ability to strengthen convection in deep convective clouds, like those that form during thunderstorms, resulting in larger and more severe storms. Previous studies have suggested two mechanisms by which aerosol concentrations could affect the intensity of convection - both involving the release of latent heat into the atmosphere as moisture within clouds condenses (the warm-phase ) or freezes ( cold-phase ) to airborne particles. However, the link between aerosols