[4] She co-founded West Harlem Environmental Action which fought to implement conditions that would reduce fumes from the sewage treatment plant that sits under Riverbank State Park.
[5][6] In this project she tracked the spatial extent of fumes from an unfinished sewage treatment plant.
[7] Miller coordinated the citizens responses to the fumes from the plant,[8] and in 1994 the group received a settlement from the city of New York in order to document health problems in the area.
[1][11] She is executive vice president of a social-justice organization, the Metropolitan Group,[12][13] and in this role she has been working to reduce funding to states that have policy that are considered racial discrimination.
[14] A portion of her work involves analyzing data on hazardous waste sites from the United States' Environmental Protection Agency to identify cases racial discrimination in an area.