As the comment period for U.S. EPA's proposed endangerment finding comes to a close, how important is the notice and comment procedure to the rulemaking process? During today's OnPoint, David Weinberg, chairman of the Environment and Safety Practice Group at Wiley Rein, explains how the recent Natural Resources Defense Council v. U.S. EPA case highlighted the significance of comment periods to federal rulemakings. Weinberg also discusses how the Waxman-Markey energy and climate bill addresses EPA's jurisdiction.