Citations

1. http://www.factory-farming.com/factory_farming.html

2. http://www.humanesociety.org/assets/pdfs/farm/hsus-factory-farming-in-america-the-true-cost-of-animal-agribusiness.pdf

3. http://www.lcanimal.org/index.php/campaigns/other-issues/factory-farming

4. http://www.halton.ca/cms/One.aspx?pageId=15092

5. https://www.dosomething.org/tipsandtools/11-facts-about-factory-farms-and-environment

Pictures

1.http://www.nytimes.com/imagepages/2008/01/27/weekinreview/20080127_BITTMAN2_GRAPHIC.html

2.http://failedmessiah.typepad.com/.a/6a00d83451b71f69e2017d428bf33d970c-400wi

3.http://www.farmsanctuary.org/wpcontent/gallery/chickens_1/chicken2_300_1.jpg

4. http://www.mfablog.org/pig-farm.jpg

5. http://thesurvivalistsenclave.com/files/2012/09/400341-Water-Contamination.jpg

6. https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWGsg3eITORzYV98UO4bTludVkDYU095tMWKZWb-xueojwAIk1F5Fp2FcT7rJsiFq1xL9TiTW5oN781WL-DhBOepw3JSC6IfnywoMJjnq8FJJQnbzQRMNMKYyYObqRjFYZWzKQCVeeNiY/s320/contaminated+water.jpg

7.http://i.ssimg.cn/guancha/News/2013/12/10/635222592165365785%E4%B8%8A%E6%B5%B7%E9%9B%BE%E9%9C%BE.jpg

8. http://www.earthtimes.org/newsimage/melting-icebergs-linked-carbon-dioxide-absorption_273.jpg