Life on Earth has been protected for thousands of years with a vital layer of poison in the atmosphere. This layer serves as a shield that protects the Earth from harmful ultraviolet radiation from the sun. As far as we know, it is unique to our planet. If it disappeared, ultraviolet sunlight would sterilize the…
The Ozone layer is a deep blanket in the stratosphere made up of comparatively high concentration of the ozone. As a result of its chemical composition, ozone is regarded as a special type of oxygen as it contains three oxygen molecules (O3) as opposed to the usual two oxygen molecules (O2). The ozone layer encircles…
Air pollutants are substances in the air which pose adverse risks to human health and have the potential of damaging the ecosystem. The substances are in the form of gases, liquid droplets, or solid particles and are either naturally occurring or anthropogenic. They primarily originate from various sources such as volcanic eruptions, exhaust from automobiles,…
Climate change and global warming are hot topics these days. Studies conducted by various scientists suggest that climate change is happening and it could have devastating and damaging effects on human life. So, what is climate change? Due to burning of fossil fuels, the atmospheric concentrations of carbon dioxide have increased significantly. Though presence of…