How can I loose stomach fat? and Waist fat?

How can I loose fat off my stomach, and waist, as well as my butt?
I heard dieting, is good will running on my treadmill help? I heard running on a treadmill for 30 mins everyday doesnt really help you loose weight? Is it okay to eat chips, and chocolate bars, or soda when your trying to loose weight?
should i eat meat?