There are two major wind streams on earth. The solar wind stream and the gulf wind stream. There are some minor wind streams such as El nino, and La nina. These wind streams have an effect on the weather and climate.
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There are about 26 major desert areas on earth and numerous smaller areas of arid land. For a list of the major deserts, click on this link.
There are seven major land regions on Earth: Africa, Antarctica, Asia, Europe, North America, Australia, and South America.
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The Earth's surface is divided into about 15 major land plates and other smaller sub-plates.
There are five major currents on Earth: the North Atlantic Current, the South Atlantic Current, the North Pacific Current, the South Pacific Current, and the Antarctic Circumpolar Current.