Read it.
What does you wife make of increasing acidity in oceans due to acid rain? Biology might be a bit outside her normal expertise, but I remember reading an interesting article a while back about CO2 causing a e in acidity in the pacific ocean that was eating through the s s of the microscopic organisms that make up the bottom of the food chain in the oceans.
(article link is:
http://seattlepi.nwsource.com/local/265052_acid31.html )
Since the pace of change is faster than any geological process, I wonder if the eco-system can really hack it and for how long.
As for Mr. Gore, I am a bit less cynical about him, but still think he is something of a hypocrite.