Quick Recap - Causes of Ozone Depletion Human-made chemicals are the main cause of ozone depletion. Global action (Montreal Protocol) has banned many of them, and the ozone layer is healing, but new threats like nitrous oxide and pollution remain. Consequences of a...

Preserving the Ozone Layer Quick Recap – What is the Ozone Layer and Why It Matters What it is: A thin layer of ozone gas (O₃) in the stratosphere, 15–35 km above Earth. Main role: Absorbs harmful UV radiation → acts like Earth’s sunscreen. Why it matters: Protects...

Quick Recap – History of the Day The International Day for the Preservation of the Ozone Layer, observed every September 16th, commemorates the signing of the landmark 1987 Montreal Protocol. The history of this day is ultimately a celebration of humanity's ability to...

Literacy in the Digital Age Quick Recap – From Books to Screens For centuries, people mainly read from printed materials like books and newspapers. With the invention of e-readers, smartphones, and the internet, reading has increasingly moved to digital platforms....

Literacy in the Digital Age Quick recap – History and Importance International Literacy Day, established by UNESCO in 1967, serves as a global reminder that literacy is a fundamental human right and a critical cornerstone of dignity, development, and societal...