12.1. The Greenhouse Effect

Try these first

1. 1.

   What is the greenhouse effect?

   Hint

   Think about how heat is retained in a greenhouse.

2. 2.

   Name one greenhouse gas.

   Hint

   This gas is released when fossil fuels are burned.

3. 3.

   What is the primary greenhouse gas emitted by human activities?

   • Methane
   • Carbon Dioxide
   • Nitrous Oxide

   Hint

   Which gas has increased the most due to fossil fuel combustion?

4. 4.

   The greenhouse effect is entirely harmful to the planet.

   • True
   • False

   Hint

   Think about the role of greenhouse gases in sustaining life.

5. 5.

   Evaluate how the increase of CO2 levels from 280 ppm to 380 ppm impacts global temperatures.

   Hint

   Consider historical climate data regarding temperature changes with CO2.

6. 6.

   Analyze the role of agriculture in contributing to methane emissions and suggest sustainable practices that might mitigate this.

   Hint

   Think of how raising livestock can be done differently to impact methane emissions.