DF 11 - Sustainability

Question 1

What are some benefits of using fossil fuels?

Answer 1

• Fossil fuels are readily available due to all the infrastructure to use them already being in place
• Fossil fuels are cheaper than alternatives
• Fossil fuels are very efficient at producing energy: they have high energy density

Question 2

What are some risks of using fossil fuels?

Answer 2

• Burning fossil fuels causes greenhouse gases to be released which contribute greatly to global warming
• Burning fossil fuels causes air pollutants to be released which pose a health risk to humans
• Fossil fuel reserves are limited, and may start to run out in the near future