1) There are 12 major climatic regions of the world: equatorial, tropical desert, continental desert, tropical grasslands, temperate grasslands, tropical monsoon, Mediterranean, China type, British type, Laurentian type, taiga, and tundra.
2) The equatorial region has relatively uniform temperatures year-round while the Mediterranean climate is characterized by summer drought and winter rainfall from cyclonic storms.
3) The tropical monsoon climate has a wet and dry season and sees agriculture as a major economic activity. The taiga and tundra are very cold regions with coniferous forests and moss/lichen vegetation respectively.