Our planet's invisible shield blocks 99% of UV rays
Earth's ozone layer is a crucial shield, absorbing 99% of harmful UV rays; its recovery shows how global action can protect our planet.
The ozone layer, a vital part of Earth's atmosphere, acts as an invisible shield, absorbing about 99% of the sun's harmful ultraviolet (UV) radiation. Without this natural filter, UV rays would severely damage living organisms, leading to increased skin cancer and weakened immune systems in humans, and harming marine life and crops.
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