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pcs mains examinations

El Niño and La Niña: Unraveling Their Global Impact on Weather, Agriculture, Water, and Coastal Regions

Introduction Earth’s climate system is a complex interaction of various atmospheric, oceanic, and terrestrial processes. Among the most influential natural climatic phenomena that disrupt this balance are El Niño and La Niña, collectively known as the El Niño-Southern Oscillation (ENSO). These irregular periodic variations in sea surface temperatures (SSTs) and wind patterns in the central…

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The Impact of Climate Change on Developing Countries

Introduction Climate change is one of the most pressing global challenges of the 21st century, with its effects disproportionately impacting developing countries. Despite contributing the least to greenhouse gas emissions, these nations bear the highest burden of climate-related disasters such as rising temperatures, extreme weather events, sea-level rise, water scarcity, and agricultural disruptions. Developing countries,…

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Ecological Challenges of Resource Exploitation in the Indian Ocean: Causes, Consequences, and Sustainable Solutions

Introduction The Indian Ocean, the third-largest ocean in the world, is a critical resource for many countries bordering its vast expanse. It provides significant ecological, economic, and strategic benefits. The exploitation of resources from the Indian Ocean, including fishing, oil and gas extraction, deep-sea mining, and shipping activities, has led to various ecological problems. These…

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