Earth Day Quiz: 50 Trivia Questions and Answers for 2025

Introduction: Celebrate Earth Day 2025 with Fun & Learning!

Every year on April 22nd, the world celebrates Earth Day, a global movement that started in 1970 to promote environmental awareness and sustainable living. Earth Day 2025 carries the powerful theme “Planet vs. Plastics,” emphasizing the urgent need to reduce plastic pollution and preserve the health of our planet.

To mark this important occasion, we’ve prepared a fun and educational Earth Day Quiz with 50 questions and answers that range from beginner to advanced difficulty. Whether you’re a student, teacher, parent, or environment enthusiast, this quiz is perfect for learning and celebrating Earth Day 2025 in a meaningful way.

Earth Day Quiz: 50 Trivia Questions and Answers for 2025

1. What date is Earth Day celebrated each year?
   Answer: April 22.
2. When was the first Earth Day celebrated?
   Answer: 1970.
3. Who is credited with founding Earth Day?
   Answer: U.S. Senator Gaylord Nelson.
4. What was the main purpose of the first Earth Day?
   Answer: To raise public awareness about environmental issues.
5. Which U.S. President established the Environmental Protection Agency (EPA)?
   Answer: Richard Nixon.
6. What is the official theme of Earth Day 2025?
   Answer: Our Power, Our Planet.
7. Which of these is a renewable energy source: coal or solar?
   Answer: Solar.
8. What is the process by which plants make their own food?
   Answer: Photosynthesis.
9. Which gas do plants absorb to help combat global warming?
   Answer: Carbon dioxide (CO₂).
10. What do the 3 R’s stand for in waste management?
    Answer: Reduce, Reuse, Recycle.
11. Which layer of the atmosphere contains the ozone layer?
    Answer: Stratosphere.
12. What kind of pollution results from excessive artificial lighting?
    Answer: Light pollution.
13. What is the biggest global source of greenhouse gases?
    Answer: Burning of fossil fuels.
14. Which continent is home to the largest tropical rainforest?
    Answer: South America (Amazon Rainforest).
15. What is the name of the 2015 international climate agreement?
    Answer: The Paris Agreement.
16. Which animal has become a symbol of climate change due to shrinking ice habitats?
    Answer: Polar bear.
17. What term describes the Earth’s increasing temperature?
    Answer: Global warming.
18. What is composting?
    Answer: The natural process of recycling organic matter into fertilizer.
19. Which gas is the most prevalent greenhouse gas?
    Answer: Carbon dioxide (CO₂).
20. Which country is currently the top emitter of carbon dioxide?
    Answer: China.
21. What is “Earth Overshoot Day”?
    Answer: The date when humanity’s resource use exceeds what Earth can regenerate in a year.
22. What is biodiversity?
    Answer: The variety of living organisms in an environment.
23. What type of farming maintains ecosystem balance?
    Answer: Sustainable agriculture.
24. What environmental issue is associated with thawing permafrost?
    Answer: Methane release.
25. Which ocean is most affected by plastic pollution?
    Answer: Pacific Ocean.
26. What are microplastics?
    Answer: Tiny plastic particles less than 5mm in size.
27. What is the name of the largest ocean garbage patch?
    Answer: Great Pacific Garbage Patch.
28. Which renewable energy source uses heat from within the Earth?
    Answer: Geothermal energy.
29. Which environmental movement is led by Greta Thunberg?
    Answer: Fridays for Future.
30. Which greenhouse gas is about 25 times more potent than carbon dioxide?
    Answer: Methane (CH₄).
31. How long does it take a plastic bottle to decompose?
    Answer: Around 450 years.
32. What percentage of Earth is covered by water?
    Answer: About 71%.
33. How many trees are cut down globally each year?
    Answer: Around 15 billion.
34. Which country was the first to declare a climate emergency?
    Answer: The United Kingdom.
35. What is a carbon footprint?
    Answer: The total greenhouse gas emissions caused by a person, organization, or product.
36. What does the term “greenwashing” mean?
    Answer: Falsely marketing products or practices as environmentally friendly.
37. What are the U.N.’s 17 goals for a better planet called?
    Answer: Sustainable Development Goals (SDGs).
38. What percentage of the world’s oxygen is produced by the ocean?
    Answer: Over 50%.
39. What is e-waste?
    Answer: Discarded electronic devices or components.
40. What do we call product design that minimizes waste?
    Answer: Circular design.

🎉 Earth Day Fun Facts Quiz

1. What is the official website of Earth Day Network?
   Answer: www.earthday.org.
2. Which color is most associated with Earth Day?
   Answer: Green.
3. How many countries observe Earth Day today?
   Answer: Over 190.
4. Who wrote the influential environmental book “Silent Spring”?
   Answer: Rachel Carson.
5. Which Earth Day had the largest recorded participation?
   Answer: Earth Day 1990.
6. Which animal plays a key role in forest regeneration through seed dispersal?
   Answer: Elephant.
7. What is the environmental benefit of local sourcing?
   Answer: It reduces transportation-related carbon emissions.
8. Which endangered species from China symbolizes conservation?
   Answer: Giant panda.
9. What are solar panels that track the sun called?
   Answer: Solar trackers.
10. How much food is wasted globally each year?
    Answer: Approximately 1.3 billion tons.

🌍 How to Use This Quiz

You can use this quiz for:

• Classroom activities or Earth Day assemblies
• Online quizzes and contests
• Office sustainability campaigns
• Family or community events

For best engagement, mix beginner and advanced questions and maybe even offer eco-friendly rewards to winners!

🔗Suggested Articles

• World Earth Day 2025: 35+ Inspirational Quotes
• World Earth Day 2025: Captions & Messages to Celebrate Our Planet
• Earth Day 2025 Captions & Status: Inspiring Lines
• Earth Day 2025: Our Power, Our Planet