please help me!!!

hello to everyone and thanks in advance to anyone that has any helpful info for in to get my car fixed and back on the road!!!!
This is that happen exactly.....
driving along my car makes that noise that happens in cars when the ac is left on and when you start your car it makes like a rubbing loud embarrassing noise??? well it never has made that noise before and it made that noise for just a second then my ac quit working. then my car started to smell of something nasty!!! and my heat gauge was all the way at hot. so first spot i saw i pulled off and green stuff was leaking. please help i dont know what to do I am a college kid and i cant afford to be without my car please anyone help, point me in the right direction in getting it fixed

sounds like the water pump went out on you..the green stuff is called engine coolant(anti-freeze).your a/c stopped working because the engine overheated.........Matt.........find the leak!:eek: