The National Academies: What You Need To Know About Energy

The National Academies

What You Need To Know About Energy

Making Solar Energy Economical: A Grand Challenge of Engineering (2009)

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Energy Hands-on

What do you know about energy?

About how much of the world's coal reserves are located in the United States?

  • Sorry, that’s incorrect.

    More than a quarter of the world's coal reserves are located in the United States.

  • Correct!

    More than a quarter of the world's coal reserves are located in the United States.

  • Sorry, that’s incorrect.

    More than a quarter of the world's coal reserves are located in the United States.