Son:Mother,can you tell me what is climate change?
Mother:Climate change is any long-term significant change in the weather.
Son:My teacher tells us to save our earth.Why is that so important?
Mother:Climate change is problematic.For example,global warming will cause flooding and drought.
Son:What can I do to help our earth?
Mother:It is very easy.Always remember to reduce,reuse and recyle.
Son:Thank you,mother!