Could there be a different, cleaner source of energy that could be discovered? Do we already know of one but don’t know – Search I'm a Scientist. Get me Out of Here!

Question: Could there be a different, cleaner source of energy that could be discovered? Do we already know of one but don't know how to harness it? And could we eventually run the whole world on it? How long would that take?

Asked by on 3 Jan 2017.

Question: Could there be a different, cleaner source of energy that could be discovered? Do we already know of one but don't know how to harness it? And could we eventually run the whole world on it? How long would that take?