Fine particulate matter, known as PM2.5, is a hazardous air pollutant emitted from a variety of sources, including

The impact of global warming in the Himalaya-Karakoram mountains threatens the life and livelihood of 1 billion people who partly depend on the Indus, Ganga, and Brahmaputra rivers.

Snow, glaciers disappeared; The continuous shrinking of Himalayan glaciers in South Asia is a matter of worldwide concern. Due