Recycling & Waste
True or False: You can recycle plastic water bottles.
True
Climate change only affects animals, not humans.
Answer: False
True or False: Bees are important for pollination.
Answer: True
True or False: Nuclear energy is considered a renewable energy source.
Answer: False (It’s low-carbon but not renewable — uranium is finite)
True/False: Carbon offsets erase emissions.
Answer: False (they reduce/compensate, not erase)
What color bin is usually for recycling?
Blue
What gas is the biggest contributor to global warming?
Answer: Carbon dioxide (CO₂)
Which animal is known as the “king of the jungle”?
Answer: Lion
Which renewable energy source uses underground heat from the Earth?
Answer: Geothermal energy
“Circular economy” means…?
Answer: Reuse, repair, recycle to cut waste
Which of these is NOT recyclable? (A) Glass bottles (B) Banana peels (C) Aluminum cans
Answer: B – Banana peels (that goes in compost)
Name one effect of rising global temperatures.
Answer: Melting ice caps, stronger storms, droughts, etc.
What does “endangered species” mean?
Answer: A species at risk of extinction.
About what percentage of the world’s electricity today comes from renewable sources? (Closest answer wins)
Answer: Around 30% (as of 2025)
What’s “greenwashing”?
Answer: Misleading claims of being eco-friendly
What does the 3-arrow recycling symbol represent?
Answer: Reduce, Reuse, Recycle
What international agreement was created in 2015 to fight climate change?
Answer: The Paris Agreement
Name one endangered animal species.
Answer: Panda, tiger, sea turtle, etc.
Why is lithium an important resource in the clean energy transition?
Answer: It’s used in batteries for electric cars, phones, and renewable energy storage.
Water footprint of 1 lb of beef ≈ ?
Answer: ~1,800 gallons
Why is “wishcycling” (putting items in the recycling bin even if you’re unsure) harmful?
Answer: It can contaminate recycling and make the whole batch go to the landfill.
Explain the difference between weather and climate.
Answer: Weather is day-to-day conditions; climate is the long-term average over many years.
Why is biodiversity important for humans?
Answer: It provides food, medicine, clean air/water, and balanced ecosystems.
Explain the concept of a “carbon footprint” in relation to energy use.
Answer: The total greenhouse gases (especially CO₂) released into the atmosphere as a result of human activities, including energy consumption.
Name the 3 pillars of sustainability.
Answer: Environmental, Social, Economic