Here is a reading on the ozone layer along with its attendant vocabulary-building and comprehension worksheet. Given that the United States Supreme Court recently handed down a decision, in West Virginia v. Environmental Protection Agency et al, limiting the EPA’s authority to regulate emissions of chemicals that pollute the air and use the atmosphere of this planet for, you know, a toilet, this material may be suddenly quite relevant.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.