Just read that you can burn 500 calories sitting in a room under 66 degres for 2 hours?
see [url=http://www.nowloss.com/how-to-lose-weight.htm]How to Lose Weight Fast in 2 Steps - Lose 10 Pounds Fast THIS WEEK[/url] and go to the section '6 ways to lose weight faster'
supposedly your body will burn calories in order to keep you warm?
It's true that the body does burn more energy or calories to keep warm in cold temperatures. Can't confirm how many calories by temperature and that time scale.