Ours is the first study to look at ozone in each layer of the atmosphere above Houston. Over the past year, we've seen that high levels of ozone extend much higher than previously believed, up to three or four miles in some instances.  -   Gary Morris     Quotes
Ours is the first study to look at ozone in each layer of the atmosphere above Houston. Over the past year, we've seen that high levels of ozone extend much higher than previously believed, up to three or four miles in some instances. Gary Morris