I think that we do. It's pollution, carbon dioxide, and other chemicals that are even more potent, but in smaller quantities, that cause this. Look, the world's temperature is going up, weather patterns are changing, storms are getting more violent and unpredictable.
Can we infer the following?
I think that we do not at this time.

Choose from:
I. Yes;
II. It's impossible to say;
III. No;
The answer is: