30 Inspiring Earth Day Trivia Questions and Answers
Celebrate our planet with Earth Day Trivia! From the history of Earth Day’s founding to environmental milestones, conservation efforts, and fun eco-facts, these questions will test your knowledge of the world we share. Perfect for classrooms, family activities, or trivia nights, this set is a great way to raise awareness while having fun.
1Who proposed the first Earth Day, and on what date was it first observed?
2Approximately how many Americans participated in the first Earth Day?
3What landmark U.S. agency was created later in response to the first Earth Day?
4By 1990, Earth Day had become an international event. How many countries had joined?
5What environmental book inspired much of the momentum behind the Earth Day movement?
6Why was April 22 chosen for Earth Day in the U.S.?
7What was the theme for Earth Day 2025?
8How many people worldwide are expected to participate in Earth Day 2025?
9Which country recognized Earth Day as “International Mother Earth Day”?
10What annual U.S. environmental laws followed shortly after the first Earth Day?
11Which student activist played a key role in coordinating the first Earth Day nationwide?
12What organization now coordinates Earth Day globally?
13When did the UK hold its first formal Earth Day observance?
14What environmental campaign shares a theme with Earth Day by focusing on reducing resource overuse globally?
15What ironic coincidence occurred between Earth Day and Earth Hour?
16Which major U.S. environmental clean-up or recycling actions surged on Earth Day 1990?
17What is the official Earth Day Network’s flagship campaign today?
18Which year was Earth Day first celebrated digitally due to the COVID-19 pandemic?
19What U.S. President planted a ceremonial tree on the White House lawn to honor the first Earth Day?
20Which global climate agreement was signed on Earth Day in 2016?
21Which year saw Earth Day recognized as International Mother Earth Day by the United Nations?
22What iconic symbol of environmental awareness is closely tied to Earth Day?
23Which U.S. city hosted the very first official Earth Day celebration?
24What major climate protest coincided with Earth Day 1970?
25Which group spearheaded the first international Earth Day in 1990?
26What annual Earth Day activity in Japan involves planting cherry trees?
27What common environmental action do most people perform on Earth Day?
28Which major U.S. river was highlighted as heavily polluted around the first Earth Day?
29What percentage of Americans recycle on Earth Day according to surveys?
30Which American astronaut’s space missions helped inspire Earth Day by showing fragile Earth photos?
Answer Key
- 1. Senator Gaylord Nelson proposed it, and it was first observed on April 22, 1970.
- 2. Around 20 million.
- 3. The Environmental Protection Agency (EPA).
- 4. About 141 countries.
- 5. Silent Spring by Rachel Carson.
- 6. It fell between spring break and final exams to engage college students.
- 7. “Our Power, Our Planet.”
- 8. Over one billion people in 192 countries.
- 9. This recognition came through the United Nations.
- 10. Clean Air Act, Clean Water Act, and others.
- 11. Denis Hayes.
- 12. Earth Day Network (Earthday.org).
- 13. February 6, 2020, at Myerscough College, Lancashire.
- 14. Earth Overshoot Day.
- 15. Earth Hour began after Earth Day but operates in a similar spirit, encouraging energy conservation.
- 16. Global recycling and environmental actions ramped up in more than 140 countries.
- 17. The Great Global Cleanup
- 18. 2020
- 19. Richard Nixon
- 20. The Paris Agreement
- 21. 2009
- 22. The image of Earth from space, “The Blue Marble.”
- 23. New York City
- 24. The Environmental Teach-In
- 25. Earth Day 1990 Coalition
- 26. Sakura tree planting
- 27. Planting trees
- 28. The Cuyahoga River
- 29. Around 40% or more
- 30. Apollo 8 astronauts
