'An Inconvenient Truth" is a 2006 documentary film directed by Davis Guggenheim about what subject?

More Questions:

In NATO's phonetic alphabet, what is the letter "C" referred to as?

What is Charlie Brown's sister's name?

What novel's long-promised sequel is called "Buttercup's Baby"?

What is the name of the character that can be used in place of the word "and"?

The Albert Canal is located in which country?

Which side of Niagara Falls has the largest falls - the US or Canadian side?

The Appalachian Trail runs over 2,000 miles from Maine to what southern state?

What gender are clownfish?

What element’s chemical symbol is "Ni"?

What is the only bone in the human body that doesn't connect with any other?

What type of pet gets into hot water in "Fatal Attraction"?

What is Jane Fonda's middle name?

Which was fought with Russia on one side and Turkey, France and Britain on the other?

What year did the radio show "Gunsmoke" debut as a TV show?

Before disbanding in 2016, who was the vocalist for the band "Gossip"?