EPA rulemakings including the effluent limitation guidelines for coal plants and the Clean Power Plan. During her first few years at Sierra Club, she handled litigation involving coal-fired power plant in Texas, Arkansas, Louisiana, and Minnesota. Before she joined Sierra Club in 2011, Casey was a fellow at the Natural Resources Defense Council, representing endangered fish in California rivers, and at Altshuler Berzon LLP, working on labor union, low-wage employment, and civil rights litigation.