These two categories consist of about 25 buttons, and also contain some wonderful artwork, graphics, and images. Among the various environmental issues visually addressed are the 1979 incident at Three Mile Island, the 1974 death of Karen Silkwood, solar energy, and the population explosion. A selection of buttons from various milestone events, such as the original 1970 Earth Day, are also displayed. When it comes to animals, numerous buttons sponsored by an array of organizations implore us to save everything from seals to whales. Again, the narrative at the bottom provides much information on when many of the organizations associated with these environmental and animal rights causes, such as Greenpeace and the Fund for Animals and more, were founded.

The Causes