The true statements about how human activity is harming the quality, quantity, and wildlife of freshwater are:
A. Freshwater fish migration routes are blocked and freshwater habitats are harmed by dams.
C. Fertilizers for urban use, such as on golf courses, can cause freshwater pollution.
D. Pesticides in agricultural areas drain into freshwater bodies with rain.
The other options (B, E, F) either contain misleading information, are not directly relevant to harming freshwater, or advocate for harmful practices.