You can pick very big topics like World War II and attribute a cause and effect to it by not exploring every possible reason why it started and what its effects were. Cause and Effect Essay. Ask a friend to read it. We need to respect and protect our environment so that we have safe and healthy air to breathe and we can live in a clean atmosphere. Moreover, the subject is likely to be something you find interesting if you chose to write about it.To demonstrate a cause and its effect is never that easy in written form. Check out our cause and effect essay samples to understand how to write an essay of. To understand how a cause and effect essay works let's break down its definition. A cause and effect essay is a format of writing where the. If your assignment is to write a cause-effect essay on the topic of global In a focus-on-effects essay, you would write about the threatened habitat of polar bears.