1. The document describes seven different climate zones: hot zone (equatorial, tropical humid, tropical dry, desert), temperate zone (Mediterranean, Chinese, oceanic, continental), and cold zone (polar, alpine).
2. The equatorial climate has hot temperatures year-round, abundant rainfall, and dense rainforests home to many animals.
3. The polar climate has long, harsh winters with little rainfall and tundra vegetation, and is nearly uninhabited except for some Sami groups.