A gyre is a large system of rotating ocean currents, primarily driven by wind patterns and the Earth's rotation. These currents form circular patterns in the ocean, influencing climate and marine ecosystems. There are five major ocean gyres: the North Atlantic Gyre, South Atlantic Gyre, North Pacific Gyre, South Pacific Gyre, and Indian Ocean Gyre. Gyres play a crucial role in regulating global climate by redistributing heat from the equator to the poles. They also affect the movement of marine life and can concentrate debris, leading to issues like the Great Pacific Garbage Patch. Understanding gyres is essential for oceanography and environmental conservation.