Hello!
To answer this question we need to understand the different groupings of climate zones.
Of these different types, they can be broken into smaller climate zones such as
- Polar
- Boreal Forest
- Moutain
- Temperate Forest
- Mediterranean
- Dry Grassland
- Tropical Grassland
- Tropical Rain Forest
- Desert
Based off research, we learn that Dry climates cover nearly 30% of Earth's surface. Making them the largest climatic zone!