Have you noticed? It's getting warmer. What's happening? Scientists call it the
greenhouse effect, the gradual warming of the earth caused in part by increased
carbon dioxide in the atmosphere. This is Eddie Albert. I urge you to fight the
greenhouse effect by planting trees. Our free booklet, Conservation Trees, will show
you how. To get your copy, write the National Arbor Day Foundation, Nebraska
City, Nebraska. Do it now.