Climate change is a long-term alteration in Earth’s climate system, primarily caused by greenhouse gas accumulation from human activities, like fossil fuel combustion, forest clearing, and industrial operations. Rising temperatures, heatwave events, and melting ice caps are key signs of climate change. This leads to increased sea-level rise, threatening coastal areas and disrupting human populations, ecosystems, agriculture, and wildlife populations. Climate change also causes severe weather phenomena, such as hurricanes, extended dry seasons, and heavier precipitation, causing damage to infrastructure and making clean water harder to obtain. Oceans are also affected, absorbing excess carbon dioxide and heat, increasing temperatures and decreasing pH levels, and damaging coral reefs and shellfish, which are essential for marine ecosystems and economic activities. Ecosystems are under stress, with species relocating to lower-temperature locations and rising mountains to survive. This has led to the extinction of some biodiversity elements and serious threats to food security and natural resources. Global action is needed to combat global warming.