Water pollution: The contamination of rivers, lakes, and oceans by harmful substances, making water unsafe for living organisms., , Deforestation: The large-scale cutting down of trees and forests, which harms the climate and destroys animal habitats., , Climate change:Long-term changes in temperature and weather patterns, mainly caused by greenhouse gases from human activities., , Air pollution: The presence of harmful gases and particles in the air, mainly from vehicles and industries, which cause health and, , Overpopulation: A situation where the number of people exceeds the Earth’s available resources..

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