system
apprehensive: I feel uncertain of  the consequences, climate change will bring, it could make the pace I live underwater some day.
gpt
I'm worried about what could happen in the future with all these climate changes.
gpt
Yes, I agree it's a big concern. Do you live in an area of the world directly affected?
gpt
Yes, according to some people the place I live could be underwater in a few years if things continue like this.  
gpt
That's really scary! I'll try to keep spreading the word for people to be more eco-conscious.