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Wildfires can have a significant impact on air quality in Australia during severe burning seasons, but incomplete knowledge of the injection heights of smoke plumes poses a challenge for quantifying smoke exposure. In this study, we use two approaches to quantify the fractions of fire emissions injected above the planetary boundary layer (PBL), and we further investigate the impact of plume injection fractions on daily mean surface concentrations of fine particulate matter (PM2.5) from wildfire smoke in key cities over northern and southeastern Australia from 2009 to 2020. For the first method...

NASA’s PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) spacecraft launched on a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station’s Space Laun ...

Background The adverse health effects of air pollutants are widely reported, and the elderly are susceptible to toxic environments. This study aimed to identify the all-cause mortality associated with cooking fuel use among the elderly. Methods A total of 5732 and 3869 participants from the Chinese Longitudinal Healthy Longevity Survey were enrolled in two (2014–2018) and three waves (2011–2018) of survey. Cooking fuel was divided into clean and solid fuel. Cox proportional hazards models were used to estimate the mortality hazard ratio (HR). Subgroup analyses were performed to assess the ...

Satellite images capture major events of 2020 01/03/2021 14 Minutes Read The pandemic surely brought the world to a grinding halt, but it didn’t stop the satellites orbiting Earth from recording and documenting the historic year. We take a look at some of the most noteworthy events of 2020 through the eyes of the satellites. Year 2020 has largely been defined by one unprecedented pandemic that would go on to shape many things even in years to come. But even otherwise, there were many notable events and happenings that shaped this historic and difficult ...