Clarify the main idea of this excerpt:

Climate change due in large part to human activities is a reality that the world is currently dealing with.
The excerpt conveys the notion that the current global issue of climate change is predominantly a result of actions carried out by human beings.
Complete the following task based on the instruction and optional input provided.### Instruction:
Clarify the main idea of this excerpt:

Climate change due in large part to human activities is a reality that the world is currently dealing with.

### Output:
The excerpt conveys the notion that the current global issue of climate change is predominantly a result of actions carried out by human beings.