The video explores the evolution of heating and cooling methods, highlighting the environmental impact of current practices like natural gas extraction and coal dependency. It discusses the challenges of air conditioning and introduces solutions such as heat pumps and renewable energy alternatives. The need for decarbonizing heating and cooling systems is emphasized to reduce air pollution and greenhouse gas emissions, ensuring equitable access to clean energy worldwide.

What ancient technology did Korean houses use to stay warm?

• Wind catchers

• Built-in floor warmers

• Solar panels

• Geothermal heating

What is the primary component of natural gas?

• Methane

• Sulfur dioxide

• Nitrogen

• Carbon dioxide

What method is used to extract natural gas from deep below the Earth's surface?

• Mining

• Fracking

• Solar drilling

• Hydraulic extraction

What is a major environmental concern associated with fracking?

• Deforestation

• Methane leakage

• Noise pollution

• Soil erosion

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What is the main energy source for many households in Mongolia?

• Wind energy

• Coal

• Solar power

• Natural gas

What harmful particles are found in the smog over Ulan Bator?

• PM 2.5

• PM 5.0

• PM 1.0

• PM 10

What is a significant downside of air conditioners?

• They consume too much water

• They are difficult to install

• They release hydrofluorocarbons

• They are too expensive

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What is one way to improve the efficiency of air conditioners?

• Using more electricity

• Increasing the size of the units

• Raising minimum efficiency requirements

• Using more water

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What technology can both heat and cool homes efficiently?

• Geothermal systems

• Wind turbines

• Heat pumps

• Solar panels

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What is a potential renewable alternative to natural gas for heating systems?

• First-generation biofuels

• Second-generation biofuels

• Coal

• Petroleum

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