Al Gore spoke at the 2008 Democratic National Convention at Denver's Invesco Field on the final night of the event. He was the last major politician to appear before Barack Obama's speech.

The following quotes are from the prepared transcript of Gore's speech:

• "Eight years ago, some said there was not much difference between the nominees of the two major parties... But here we all are in 2008, and I doubt anyone would argue now that election didn't matter."The Huffington Post: Al Gore DNC Speech (Text) (August 28, 2008)

• "Today, we face essentially the same choice we faced in 2000... John McCain, a man who has earned our respect on many levels, is now openly endorsing the policies of the Bush-Cheney White House and promising to actually continue them... Hey, I believe in recycling, but that's ridiculous."The Huffington Post: Al Gore DNC Speech (Text) (August 28, 2008)

• "In spite of John McCain's past record of open mindedness on the climate crisis, he has apparently now allowed his party to browbeat him into abandoning his support of mandatory caps on global warming pollution."The Huffington Post: Al Gore DNC Speech (Text) (August 28, 2008)