... into the air inside the Polar Vortex and activates and releases the chemicals. That begins the rapid destruction of ozone. The ozone hole is currently 11.5 million square miles and has grown by over a million square miles a year since the year 2000. The World Meteorological Organization observed a 45 percent depletion of the ozone layer over a third of the northern hemisphere, from Greenland to western ... ...

• Word Count: 1083
• Approx Pages: 4
• Grade Level: High School

... Nations" weather organization came out with a report about the hole in the ozone layer. The hole in the ozone layer has now increased to its record size of 10.8 million square miles set only three tears ago. The World Meteorological Organization have also taken measurements over and near Antarctic. They claim that the ozone layer has decreased faster in this year than ... ...

• Word Count: 238
• Approx Pages: 1
• Grade Level: High School