Since the Environmental Protection Agency unveiled in March its first proposal to force companies to monitor and report their greenhouse gas emissions, the move has raised an abundance of questions from Corporate America.

As previously reported by Compliance Week, the EPA’s 818-page proposed rule would require that businesses and utilities file reports if their annual greenhouse gas emissions exceed 25,000 metric tons (a threshold that would let most small companies off the hook). The EPA estimates that the rule would affect roughly 13,000 facilities; they would need to start monitoring and recording emissions at the start of 2010, and then start filing annual reports in the first quarter of 2011.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...