The Ozone Layer: Protecting Ourselves from the Sun's Fury The ozone layer, a fragile shield in the Earth's stratosphere, protects us from the harmful ultraviolet (UV) radiation emitted by the sun. This radiation can cause sunburn, skin cancer, cataracts, and damage ecosystems. Understanding the threats to the ozone layer and international efforts to mitigate them is crucial for safeguarding our planet.
S&T: Discuss the major causes of preventable blindness and suggest strategies for effective implementation of NPCB to achieve its goals
National Programme for Control of Blindness (NPCB): Eradicating Darkness in India India, with the world's largest population, also faces a significant challenge of blindness. The National Programme for Control of Blindness (NPCB), launched in 1976, aims to reduce the prevalence of blindness and improve eye health for all citizens. Let's delve into the major causes of preventable blindness and explore strategies for effective NPCB implementation.