Simplify the following text for a Grade 11 native English-speaking person.
Original: The climatic zones vary , from the extreme desert of the southern Namib in the farthest northwest to the lush subtropical climate in the east along the Mozambique border and the Indian ocean .
Simplified: The climatic places vary , from the desert of the southern Namib in the farthest northwest to the subtropical climate in the east along the Mozambique border and the Indian ocean .