Rewrite this passage in 15 words or fewer.
The ocean is vital to regulating Earth's climate, and it plays an important role in many ecosystems around the world.
The ocean regulates Earth's climate and is crucial for many global ecosystems.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite this passage in 15 words or fewer.

### Input:
The ocean is vital to regulating Earth's climate, and it plays an important role in many ecosystems around the world.

### Output:
The ocean regulates Earth's climate and is crucial for many global ecosystems.