The Lower Eastern Times Opening The Third Eye
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By: Patrick Karanja, Jewel Technical College
High above the clouds, far beyond where birds fly and planes cruise, lies an invisible guardian that protects every living thing on Earth. You cannot see it or touch it, yet without it, life would be exposed to harmful radiation from the sun. This silent protector is the ozone layer—a fragile but powerful shield that helps sustain life.
The ozone layer exists in the upper atmosphere, in a region called the stratosphere. It is made up of a special form of oxygen known as ozone (O₃), which has the ability to absorb much of the sun’s harmful ultraviolet (UV) radiation. Without this protection, increased exposure to UV radiation could raise the risk of skin damage, affect human health, and disrupt ecosystems.
The importance of the ozone layer extends beyond humans. Plants, which rely on sunlight to grow, can be affected by excessive ultraviolet radiation, which may reduce growth and agricultural productivity. In the oceans, microscopic organisms such as plankton—important to marine food chains—can also be impacted by increased UV exposure.
In the late 20th century, scientists identified a serious issue known as ozone depletion. Certain human-made chemicals, particularly chlorofluorocarbons (CFCs), were found to damage ozone molecules in the atmosphere. This led to significant thinning of the ozone layer, especially over Antarctica.
In response, countries around the world adopted the Montreal Protocol in 1987, an agreement to phase out ozone-depleting substances. This global effort is widely regarded as a successful example of international cooperation on environmental protection.
Today, the ozone layer is gradually recovering, although full restoration will take time. Its protection remains important, as it plays a critical role in maintaining environmental balance.
The ozone layer works quietly and continuously, shielding life from harmful radiation. Though invisible, it remains one of Earth’s most important natural protective systems.
