Kathryn A. Watts & Amy J. Wildermuth, Massachusetts v. EPA: Breaking New Ground on Issues Other than Global Warming,
102 Nw. U. L. Rev. 1029 (2008); 102 Nw. U. L. Rev. Colloquy 1 (2007), http://www.northwestern.edu/lawreview/Colloquy/2007/17.