Answer:
Barry Estabrook establishes his authority to write on the topic by providing his extensive research and experience in the field. He has been a food writer for over 35 years and has won several awards for his work. He has also written several books on food-related topics and has contributed to various publications such as The New York Times, The Washington Post, and Gourmet magazine. In his writing, Estabrook provides detailed information and insights into the food industry, including the farming practices and the impact of food production on the environment. He also conducts interviews with experts in the field, providing readers with a comprehensive understanding of the topic. By showcasing his expertise and knowledge, Estabrook establishes himself as a reliable source of information on this topic.