What is the fine-grained topic of the following text: The two petitions, filed by the Center for Science in the Public Interest, Environmental Defense, the American Academy of Pediatrics, the American Public Health Association, Food Animal Concerns Trust (FACT), and the Union of Concerned Scientists, were requested in 1999 and 2005, according to Food Safety News. Only return the topic.
Petitions filed by various organizations for public interest and environmental defense