"What gets us into trouble is not what we don't know. It's what we know for sure that just...
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Al Gore:
[quoting Mark Twain]
"What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so."
[quoting Mark Twain]
"What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so."
Full Transcript
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what's left behind is colder water and saltier water
00:00:04.736 --> 00:00:06.873
because the salt doesn't go anywhere
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Movie Summary
Filmmaker Davis Guggenheim follows Al Gore on the lecture circuit, as the former presidential candidate campaigns to raise public awareness of the dangers of global warming and calls for immediate action to curb its destructive effec
