The 1973 oil embargo highlighted US dependence on foreign oil.

Congressmen with poor environmental records were targeted for defeat in 1970.

What was the effect of Rachel Carson's book Silent Spring?

Looking back on 1970's first Earth Day celebration.

From AMERICAN EXPERIENCE: Earth Days - What were environmental conditions like in the US in the early 1960s?

From the 1960s to today, US Presidents have talked about saving our environment.

"Take no prisoners. Fight to the bitter end." Those were everyday words to combat troops on both sides at the end of World War II in the Pacific. And they led to an unprecedented orgy of slaughter. This provocative film looks at the escalation of bloodletting from both sides of that fight.

Special Film Project 153, produced by the Army Air Forces in 1945 and narrated by Hollywood actor and future president Ronald Reagan, is better known as Target Tokyo. The film follows the bombers' first mission, from crew training in Nebraska to deployment on the Pacific island of Saipan -- secured as an air assault launching point -- and then to Japan and the new aircraft's first bombing raid.

Janice Jones-Thomson and her sister Leslie Jones McPartland look back on the lobotomy done to their mother, Beulah Jones.

Howard Dully discusses the lobotomy that Walter Freeman performed on him when he was twelve.

Angelene Forester remembers Walter Freeman's first transorbital lobotomy patient -- her mother Ellen Ionesco.

A U.S. Government film on the effects of botulism toxin on Rhesus monkeys.

U.S. Army film about the effects of protective hoods in a toxic atmosphere.

See how the production team shot the desert recreation scenes.

A U.S. Government film on the procedure for the dispersion of a biological weapon.

A U.S. Government film about food poisoning, and testing Enterotoxin on monkeys.

It was the worst epidemic in American history, killing over 600,000 — until it disappeared as mysteriously as it had begun.

Released in 1973, Soylent Green depicts a future in which human over-consumption has led to extreme depletion of resources. This now-amusing 1970's science fiction film reflects a concern about human consumption commonly felt at that time.

In World War II British and American Allied forces carried out a bombing campaign of unprecedented might over Germany's cities, claiming the lives of nearly half a million civilians.

Watch chapter 1 of Influenza