The limitation of the environmental movement of the 1970s among the options provided is: c) the failure to prevent nuclear and chemical accidents.
While there were significant accomplishments in environmental legislation during this time, such as the establishment of the Environmental Protection Agency (EPA) and the passage of key laws like the Clean Air Act and Clean Water Act, the movement did face challenges in preventing incidents related to nuclear power and chemical spills or accidents, which raised concerns about safety and environmental protection.