Explained: How the ozone layer hole over Arctic closed

News:European Union’s Copernicus Atmosphere Monitoring Service(CAMS) has announced that a hole in the Arctic ozone layer believed to be the biggest reported over the Arctic has closed. Facts: Ozone Hole:It refers to a region in the stratosphere where the concentration of ozone becomes extremely low in certain months. Reason for Ozone Hole: Cold temperatures (below… Continue reading Explained: How the ozone layer hole over Arctic closed

What’s causing extreme cold in US Midwest

A record-breaking cold wave has swept through the US Midwest and is stated to be caused by a polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. The term “vortex” refers to the counter-clockwise flow of air that helps keep the colder air… Continue reading What’s causing extreme cold in US Midwest