Here's why:
* It names a specific thing: the long-term weather patterns of a region.
* You can use it as the subject of a sentence: "The climate is changing."
* You can modify it with adjectives: "a tropical climate"
Here's why:
* It names a specific thing: the long-term weather patterns of a region.
* You can use it as the subject of a sentence: "The climate is changing."
* You can modify it with adjectives: "a tropical climate"