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.
The Wonderful World of Ecosystems: Understanding Our Environment Everything on Earth, from the tallest trees to the tiniest insects, interacts with each other and their surroundings. This web of life is called an ecosystem . It's like a grand theatre play, where every living thing (biotic) and non-living thing (abiotic) plays a crucial role.