Describe an environmental problem. You should say: How important the environment is? What makes it polluted?

1/ Describe an environmental problem.You should say:
How important the environment is
What makes it polluted
Wht people anh student should do to protect the environment
4/ Describe a natural disaster you heard about.You should say
What it was and where it happened
When it happened
How you heard about it
And explain how people reacted when they heard about this disaster
3/ Describe a special event(ex :a festival, or other celebration)that take place in your country. You should say
When the festival occurs
What pepople do during it
What you like or dislike about it
And explain why this festival is important