Question

 

What are the impacts of stratospheric ozone? Explain

06 Mar 2026
Answer :
Word Count : 1029
The stratospheric ozone layer plays a critical role in protecting life on Earth by absorbing the majority of the sun's harmful ultraviolet (UV) radiation. When the ozone layer is depleted, it leads to an increase in UV-B radiation reaching the Earth's surface, which has numerous direct and indirect impacts on environmental health. One of the most immediate consequences is the effect on human health. Increased exposure to UV-B radiation is strongly associated with higher incidences of skin cancers, particularly melanoma and non-melanoma types. It also accelerates skin aging, causes sunburn, and can lead to eye disorders such as cataracts and photokeratitis. For populations with high sun exposure, such as agricultural workers or outdoor laborers, these health risks are particularly pronounced. Furthermore, UV radiation suppresses the human immune system, making individuals more susceptible to infectious diseases and potentially affecting the effectiveness of vaccines. Beyond human health, stratospheric ozone depletion has profound impacts on ecosystems and biodiversity. UV-B radiation can affect the physiological and developmental processes of plants, including growth, photosynthesis, and nutrient ____ _______ _____ ____ _____ ______ ______ ______ _______ _________ __________ ______.
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