A task force of authors made up of university faculty members and private industry professionals collaborated to produce a new Council for Agricultural Science and Technology (CAST) issue paper that addresses specific water and land concerns related to animal agriculture. The paper covers beef, dairy, pork and poultry production and focuses on policy transitions and environmental management programs. Scientific data is presented for North America, with a primary focus on the United States, and also compares data from other parts of the world. A discussion in the paper focuses on how to reduce the environmental impact of livestock agriculture while preserving resources and quality of life. Download the 24-page pdf document at no charge from this page on the CAST Web site at http://www.castscience.org.