Pose a rhetorical question based on the given topic.
Topic: Climate Change
Isn't it about time we take collective action to mitigate the catastrophic effects of climate change?
Complete the following task based on the instruction and optional input provided.### Instruction:
Pose a rhetorical question based on the given topic.

### Input:
Topic: Climate Change

### Output:
Isn't it about time we take collective action to mitigate the catastrophic effects of climate change?