sentences:  In 1988 the Metropolitan Transportation Authority (MTA) attempted to construct a second bus depot in West Harlem, adjacent to an intermediary school.The MTA was met with strong community opposition, in the form of protests, lawsuits, and scientific research.During this period, the attention and discontent surrounding the operation of the North River Sewage Treatment Plant and the construction of a second bus depot in West Harlem, presented the need for a unified movement to address the unequal impact of environmental hazards on the minority community.