The Supreme Court of Louisiana held that a property owner who discovered radioactive contamination on his land after he purchased it may not file suit against oil and trucking companies allegedly responsible for that contamination. Under Louisiana law, a property owner has no right or actual interes...

The D.C. Circuit upheld an EPA rule issued in 2010 that amends and clarifies transportation conformity regulations as they pertain to hot spot analyses in particulate matter (PM) nonattainment and maintenance areas. Transportation conformity is required under the CAA to ensure that new federally sup...