Provide a suitable heading for the following paragraph.
The oceans play an important role in the Earth’s climate. They cover nearly 80% of the Earth’s surface and are responsible for controlling air temperature and balancing the nutrient cycles of the planet.
The Role of Oceans in Earth's Climate
Complete the following task based on the instruction and optional input provided.### Instruction:
Provide a suitable heading for the following paragraph.

### Input:
The oceans play an important role in the Earth’s climate. They cover nearly 80% of the Earth’s surface and are responsible for controlling air temperature and balancing the nutrient cycles of the planet.

### Output:
The Role of Oceans in Earth's Climate