We would need more details. Do you need to follow a rubric? Do you have any specific rules? Exactly what about global warming? How long of an essay? What’s the minimum and maximum about of pages. Is this typed, or written? Is there any specific information you’ve learned this unit that you need to include?
In a desert, the climate is “hot” and “dry”.
The first organisms to grow in new or disturb areas is called pioneer species.
