Despite the appeal of renewable energy sources, they currently comprise less tha

Question

Despite the appeal of renewable energy sources, they currently comprise less than 14% of our global energy supply and generate less than 19% of our electricity. Moreover, the “new renewables” account for only a very small fraction of these numbers. The fact that renewables provide little of our energy is a dilemma with multiple causes and consequences. However, most renewable sources are now expanding quickly, and there are many ways in which we can encourage their development and spread.

Which of the following statements would you classify as solutions to the relatively low utilization of renewables in our energy mix? Select all that are true.

Which of the following statements would you classify as causes of the relatively low utilization of renewables in our energy mix? Select all that are true.

Which of the following statements would you classify as consequences of the relatively low utilization of renewables in our energy mix? Select all that are true.

Explanation / Answer

Solutions:

1. Inclusion of the environmental costs of fossil fuels in their price.

3. A shift of federal subsidies from fossil fuels to renewables.

9. Increased research and development funding for renewables.

Causes:

6. Fossil fuels are rich in energy.

5. Fossil fuel industry receives government subsidies.

4. Fossil fuels are far cheaper than renewables

Consequences:

2. fossil fuel combustion creates smog and acid precipitation.

7. greenhouse emissions spur climate change.

8. fossil fuel extraction alters and fragments habitat.

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