Provide a one sentence definition for the concept of global warming.
Global warming is the long-term rise in the average temperature of the Earth's climate system, driven largely by increasing levels of human-made greenhouse gas emissions.
Complete the following task based on the instruction and optional input provided.### Instruction:
Provide a one sentence definition for the concept of global warming.

### Output:
Global warming is the long-term rise in the average temperature of the Earth's climate system, driven largely by increasing levels of human-made greenhouse gas emissions.