Bacteria from Deserts Reaching the Himalayas | Current Update | Drishti BPSC & JPSC

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Welcome to Drishti BPSC & JPSC! In today’s video, we discuss a significant scientific study that has important implications for public health and current affairs — topics that are crucial for competitive exams like BPSC and JPSC. A recent research, published in the Science of the Total Environment journal, has revealed that bacteria carried by dust storms from India’s western deserts are reaching the Eastern Himalayas, travelling hundreds of kilometres through the air. These airborne microbes, including disease causing pathogens, are transported along with elevated dust plumes and can impact respiratory, skin, and gastrointestinal health of the local mountain communities, challenging the assumption that high altitude Himalayan regions are naturally protected from such infections.
The study highlights how horizontal long range dust transport from arid regions and vertical uplift of polluted air from foothills together reshape the atmospheric bacterial community above the Himalayas. Researchers monitored dust events over two years and found that these processes introduce harmful microbes to high altitude environments, raising concerns for vulnerable populations and ecosystems.
Understanding such developments is vital for the General Studies and Environment sections of BPSC and JPSC exams, as it links scientific research with environmental change, public health, and policy response. Stay informed with Drishti to strengthen your current affairs knowledge and boost your exam preparation with accurate and relevant insights. Don’t forget to like, share, and subscribe for more updates that matter for your exam journey!


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