Practise your writing skills at Level A2 of the Common European Framework of Reference for Languages (CEFR).
Describe what you would have in your perfect garden and what you would do there.
There are many things you can do on a daily basis in order to protect the environment. Describe what you do.
What's the worst present you've ever received? Write down why you didn't like it.
Imagine you are in the desert. Write a postcard to your friends and talk about your experience.