There are more glaciers melting around the world due to global warming.
Http://teachingamericanhistory.org/lessonplans/act1/
this link should help you
25,700 (cost of car) + 3000 (premium package) + 700 (vehicle delivery) - 6000 (old car) = $23,400.
Depending on the research you find, it could vary. Explain to them that while watching TV is not an "evil" thing, it can have some affects in the youth. Tell them how it can affect the behavior with friends, family and other people whom are around them. In addition you could even as far as mentioning academic success and failure.