Browse Items · Iowa Heritage Digital Collections

How many politicians does it take to screw in a light bulb?

Energy tax; The bulb's too big!; Turn it clockwise!; Turn it counter-clockwise!; It's backwards!; Use a smaller watt bulb!; Congress

Where's the cleanup crew Exxon was supposed to send

You're looking at it

The greenhouse effect

The White House effect; Mmmph mufp ..?

Students using the Environmental Teach-In Collection

Two students hold a book entitled ""Man: An Endangered Species?"" amid the low shelves of the Environmental Teach-In Collection, while other students sit in the chairs near the collection.

Students holding a book in the Environmental Teach-In Collection

Two students hold a book on ""Man: An Endangered Species?"" in the Environmental Teach-In Collection, while other students study nearby.

Students using the Environmental Teach-In Collection

Two students hold a book entitled ""Man: An Endangered Species?"" amid the low shelves of the Environmental Teach-In Collection, while other students sit in the chairs near the collection.