Quiz: Earth Day

1) What event is commonly credited as being the catalyst for organizing Earth Day?

• Atmospheric testing of nuclear weapons.

• Evidence of ozone layer depletion.

• A large oil spill off the Santa Barbara coast.

2) The Earth Day flag is a NASA photograph of planet Earth taken from space on which space mission?

• Apollo 8

• Apollo 10

• Apollo 14

3) In 1980, Pope John Paul II proclaimed who the patron saint of ecologists?

• Saint Francis

• Saint Augustine

• Saint Christopher

4) Each Earth Day ceremony at the United Nations marks the ringing of the Peace Bell, which was a gift from which country?

• Japan

• France

• Sweden

answers: 1. A large oil spill off the Santa Barbara coast; 2. Apollo 10; 3. Saint Francis; 4. Japan.