Question

What is the meaning of the quote:
The greatest threat to our planet is the belief that someone else will save it.

Answer 1

I think advocacy of renewable energy and his fight in for the environment, especially of Antarctica. In fact, he is the founder of 
a company dedicated to the protection of this continent. In his numerous speeches, Swan warns of the dangers the Earth faces, like in this famous quote: "The greatest threat to our planet is the belief that someone else will save it"
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