प्रकाश प्रदूषणले रातको आकाशलाई उज्यालो बनाउने र प्राकृतिक अन्धकारमा हस्तक्षेप गर्ने मानव गतिविधिहरूद्वारा उत्पादित अत्यधिक वा गलत दिशानिर्देशित कृत्रिम प्रकाशलाई जनाउँछ। यो सहरी र उपनगरीय क्षेत्रहरूमा कृत्रिम प्रकाशको अत्यधिक मात्राको कारणले गर्दा हुन्छ । जसले गर्दा वायुमण्डलमा प्रकाश छरिन्छ र रातको आकाशमा चमक सिर्जना गर्दछ। नेपालमा प्रकाश प्रदूषणले वातावरण र मानव समाज दुवैमा धेरै असर पारेको देखिन्छ । केहि प्रभावहरू…
Research has shown that exposure to air pollution, be it brief or over the long term, can have negative impacts on the lungs and hearts, and potentially the brain as well (Brook 2009). It is estimated that outdoor air pollution causes 3 million excess deaths worldwide each year (The Lancet 2015). In response, a number of cities have introduced policies aimed at reducing…
On Sunday, a 61-year-old woman from Changunarayan Municipality in Bhaktapur district, reached Tribhuvan University Teaching Hospital to get her swollen feet examined. Doctors at the hospital, who attended on her, found that her oxygen saturation levels had declined to 68-70 percent. “Oxygen saturation level under 90 percent could quickly lead to serious deterioration in a patient’s health and oxygen saturation…
KATHMANDU, Dec 28: Climate crisis is a major problem but developing nations such as Nepal are not committed to manage and carry the burden of such global problems. Despite certain political decisions being made in regards to national climate policy and the political parties backing the issue of climate change and environment in their election manifestoes, implementation of national climate…
You may have heard about PM 2.5 mentioned in a recent science or health article, or even on the news as part of coverage of wildfires or other air pollution events. High levels of PM 2.5 can have serious health consequences for you and your family. But what does this term mean, and how is it linked to respiratory disease, heart…