A:
The main claim in a chain e-mail was true when the original message began making the rounds in 2007. Since then, the Gores have made several changes to their home.
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This e-mail has been circulating since 2007, the year former Vice President Al Gore's documentary on global warming, "An Inconvenient Truth," won an Oscar. It was basically accurate then. Gore's Nashville mansion consumed a large amount of energy compared with the national average, and President George W. Bush's ranch in Crawford, Texas, had several environmentally friendly features. However, both the Gore and Bush residences have since changed.
Bush v. Gore: 2006
The Internet myth-busting site Snopes.com wrote about this e-mail and a similar one two years ago, finding that the main messages were true. The Associated Press reviewed the Gores' energy bills and reported that the family consumed 191,000 kilowatt-hours in 2006. This was considerably more than the amount of electricity used by the typical house in Nashville, about 15,600 kilowatt-hours a year.
An older version of the e-mail claimed that "Gore's average monthly electric bill topped $1,359." That figure was just about right, according to the numbers crunched by the AP. However, this e-mail has mutated the claim to an "average bill for electricity and natural gas [that] runs over $2400 per month." And we could find no basis for the expanded claim.
The e-mail says the Gore home "consumes more than 20 times the national average" in natural gas. We suspect the e-mail's author meant to say the Gores consume that much in electricity, since such a statistic was reported by the Tennessee Center for Policy Research. But the AP disputed the electricity figures published by TCPR, a group that is skeptical of the severity of global warming and the role of humans in causing it. Still, the AP figures show the Gores used 12 times the energy of a typical Nashville home.
In addition, at about 10,000 square feet, Gore's home is a little less than four times the size of the average new American home built in 2006. In contrast, the Crawford ranch belonging to Bush was about 4,000 square feet. A 2001 article in the Chicago Tribune said that the Bush ranch used geothermal heat pumps, as well as other environmentally friendly features.
Kalee Kreider, a spokeswoman for Gore, didn't dispute the electricity figures published by the AP at the time. But she said that the Gores work from their home and purchase energy from renewable solar, wind and methane gas sources. She argued that by participating in the "green" utility program and investing in renewable energy projects worldwide, the Gores were living a "carbon-neutral lifestyle."
Bush v. Gore: 2009
The e-mail has become dated, however. The now-former president Bush has moved into a new home in Preston Hollow, Texas, that is about 8,000 square feet – double the size of his Crawford ranch.
Kreider also told us in an e-mail that the Gores have made several eco-friendly changes to their home, which is now LEED certified. According to the Natural Resources Defense Council, this means that Gores' home has earned credits in five categories: "sustainable sites, water efficiency, energy and atmosphere, materials and resources and indoor environmental quality." Kreider told us:
Kreider, June 16: The Gores' home is certified by the US Green Building Council as a Gold LEED certified home for retrofitted homes. As part of the LEED certification process, they upgraded their windows, lighting, appliances and insulation, among other items in and around the home [...] The residence is powered with a geothermal system as well as 33-solar panels. The Gores also participate in the "Green PowerSwitch" program offered by their utility [company].
Kreider also noted that, contrary to what was claimed in the original e-mail, the Gores' residence "does not have a guest house."
We didn't ask for the Gores' electric bills, so we can't say how much efficiency improvement the family has accomplished. But the e-mail was on target in 2007; it's out of date now.
– Andrew Karter