World Report: April 18, 2003 Vol. 8 No. 24
- This Issue:
- Table of Contents
- Cover Story
- Cover Story - Spanish Version
- Mini-Lesson
- Comprehension Quiz
- Teacher's Guide and Worksheets
Top 5 Smoggiest Cities In The World
April 22 is Earth Day. The event began in 1970 to get people thinking about cleaning up the planet. Smog is one of Earth's nastiest problems. A hazy blend of smoke and fog, it causes breathing problems in industrial areas. These five cities--the world's smoggiest--need to clean up their act!
1. Mexico City, Mexico
2. Sao Paulo, Brazil
3. Cairo, Egypt
4. New Delhi, India
5. Shanghai, China
Next: An Era Ends in Iraq
