Future Energy Resources and Challenges

The video discusses the growing global energy demand and the need for energy efficiency. It highlights the role of coal in energy policy and the importance of renewable energy sources. The potential of solar energy and artificial photosynthesis is explored, emphasizing the need for innovation in energy technology. The video calls for increased investment in R&D to address energy challenges and reduce carbon emissions.

What is the projected increase in global energy demand within our lifetimes?

• It will double.

• It will decrease by half.

• It will remain the same.

• It will triple.

Which of the following is a key action individuals can take to improve energy efficiency?

• Buying more incandescent bulbs

• Using single-pane windows

• Increasing air conditioning usage

• Improving home insulation

Why is coal considered a significant factor in energy policy?

• It is the least used energy source.

• It is the cheapest source of electrical power in many regions.

• It is the cleanest energy source.

• It is the most expensive energy source.

What is a potential short-term solution to reduce reliance on coal?

• Reducing energy efficiency

• Paying more for renewable energy

• Increasing energy consumption

• Building more coal-fired power plants

What is a major challenge in using wind energy as a primary source?

• Wind energy is too expensive.

• Wind energy is not renewable.

• Wind energy is unreliable when the wind doesn't blow.

• Wind energy causes pollution.

What is a critical component needed to build a reliable energy system?

• More coal plants

• Less energy diversity

• Massive energy storage solutions

• Increased fossil fuel usage

Why is solar energy considered a significant resource for the future?

• It provides more energy in one hour than the world uses in a year.

• It is limited to certain regions.

• It is the most expensive energy source.

• It is only available during the day.

What is a major limitation of current solar energy technologies?

• They are too efficient.

• They are too cheap.

• They require large land areas.

• They are available everywhere.

What is a reason for the lack of innovation in energy technology historically?

• There was too much investment in energy R&D.

• There was no need for energy security.

• Energy was too expensive.

• Energy was cheap, reducing the incentive to innovate.

What percentage of revenue do high-tech companies typically spend on R&D?

• 20%

• 1%

• 5%

• 10%