Carbon Footprint Reduction

This quiz contains 20 multiple-choice questions. You will have 15 minutes to complete it. The timer will start as soon as you click the "Start" button, and it cannot be paused. Make sure you're ready before you begin. 🎓 Bonus: If you score 50% or more, you'll earn a free certificate to recognize your efforts in circular thinking! Good luck!

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Climate Action and Renewable Energy

How low can you go on CO₂?
Ready to explore the everyday decisions and global solutions that shrink our environmental impact? This quiz uncovers the science and strategies behind carbon footprint reduction—from lifestyle swaps and renewable energy to circular design and policy action. Take the challenge and learn how to cut the carbon without cutting corners.

👉 Let’s see if you're a climate-conscious champion!

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1 / 20

Category: Carbon Footprint Reduction

1) Why does flying contribute heavily to a personal carbon footprint?

A) Planes carry little cargo

B) Aviation fuel is very clean

C) High emissions per passenger per km

D) Flights are short

2 / 20

Category: Carbon Footprint Reduction

2) How does eating locally sourced food reduce emissions?

A) It improves shelf life

B) It avoids refrigeration

C) It shortens transportation distances

D) It contains fewer calories

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Category: Carbon Footprint Reduction

3) Which habit contributes to indirect (Scope 3) emissions?

A) Driving a car

B) Using gas for heating

C) Buying fast fashion clothing

D) Using solar panels

4 / 20

Category: Carbon Footprint Reduction

4) What’s one simple way to cut your appliance-related emissions?

A) Buy larger devices

B) Keep them on standby

C) Use energy-efficient models (e.g., A+++)

D) Use them more frequently

5 / 20

Category: Carbon Footprint Reduction

5) What’s the typical carbon benefit of working remotely (e.g., from home)?

A) Increased electricity use

B) Greater emissions due to Wi-Fi

C) Lower commuting-related emissions

D) None—it increases emissions

6 / 20

Category: Carbon Footprint Reduction

6) What is “carbon intensity”?

A) The cost of carbon taxes

B) The total emissions from landfills

C) Emissions per unit of output or energy

D) The strength of CO₂ molecules

7 / 20

Category: Carbon Footprint Reduction

7) What role do trees play in carbon footprint reduction?

A) Increase oxygen at night

B) Emit methane

C) Absorb carbon dioxide through photosynthesis

D) ool the planet through reflection

8 / 20

Category: Carbon Footprint Reduction

8) What dietary change can most reduce your food-related carbon footprint?

A) Eating imported tropical fruit

B) Switching to organic snacks

C) Reducing meat and dairy consumption

D) Avoiding gluten

9 / 20

Category: Carbon Footprint Reduction

9) Which daily activity can significantly reduce your home’s carbon emissions?

A) Keeping lights on overnight

B) Switching to LED lighting

C) Using a gas stove

D) Opening windows while heating

10 / 20

Category: Carbon Footprint Reduction

10) A carbon offset is best described as:

A) Reducing use of fossil fuels

B) Planting trees to hide pollution

C) Investing in projects that balance out emissions

D) Banning car use

11 / 20

Category: Carbon Footprint Reduction

11) What is one major emission source in urban buildings?

A) Solar roofing

B) Wall paint

C) HVAC systems

D) Bricks

12 / 20

Category: Carbon Footprint Reduction

12) What percentage of global GHG emissions does the food system account for?

A) 26%

B) 5%

C) 12%

D) 55%

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Category: Carbon Footprint Reduction

13) Which policy can drive large-scale reductions in carbon emissions?

A) Paper bag bans

B) Carbon pricing

C) Subsidies for bottled water

D) Increased highway speed limits

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Category: Carbon Footprint Reduction

14) Which energy source has the lowest lifecycle carbon emissions?

A) Natural gas

B) Coal

C) Solar energy

D) Diesel

15 / 20

Category: Carbon Footprint Reduction

15) Which form of transport generates the lowest CO₂ emissions per passenger-km?

A) Airplane

B) Gasoline car

C) Bus

D) Train

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Category: Carbon Footprint Reduction

16) What personal action has the largest long-term climate benefit according to some studies?

A) Upgrading your smartphone

B) Composting kitchen waste

C) Shopping online

D) Having one fewer child

17 / 20

Category: Carbon Footprint Reduction

17) What is the primary contributor to a typical individual's carbon footprint?

A) Water use

B) Electricity from renewables

C) Transportation and energy use

D) Organic food consumption

18 / 20

Category: Carbon Footprint Reduction

18) Which of the following technologies helps buildings reach net-zero emissions?

A) Coal-fired boilers

B) Passive solar design

C) Diesel generators

D) Fluorescent lighting

19 / 20

Category: Carbon Footprint Reduction

19) Which action helps reduce your digital carbon footprint?

A) Streaming 4K videos daily

B) Using cloud storage efficiently

C) Keeping devices plugged in

D) Ignoring software updates

20 / 20

Category: Carbon Footprint Reduction

20) Which of the following would most reduce emissions from commuting?

A) Switching to biofuel

B) Walking or cycling

C) Using a larger car

D) Driving at night

Your score is

The average score is 79%

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