Please see my sidebar to the right for a link to a film called 'Earthlings'. It was made in 2005 and is narrated by Joaquin Phoenix.
I urge you to watch it.
Watch it all the way through, especially if at some point you don't want to.
There are 3 stages to receiving truth:
2) Violent opposition
Whichever one you feel, at whichever stage of watching this film, know that you are reacting to the truth.