Exactly how environmentally friendly is your school? From the air fresheners in the bathrooms to the cleaning solvents used in the classrooms, young conservationists search the school grounds for sources of air pollution in...

What does the phrase, "Like a breath of fresh air," mean to you? This common phrase can have different meanings: calming, relaxing, invigorating, energizing or clean. In this experiment you will test the quality of air by measuring the...

[Free Registration/Login Required] An informational text about the increased risk of asthma for children living in areas with air pollution. A question sheet is available to help students build skills in reading comprehension.