This article says that men are becoming feminized due to chemicals dumped into the environment that have estrogen-like effects.
Plastics–including a plasticizer called phthalate, used in making flexible plastic for bottles of Coke, Pepsi, Sprite, Evian water, and so forth–are known to have estrogenic effects. Many commonly used pesticides have estrogenlike actions on human cells. Estrogenic chemicals ooze out of the synthetic lacquer that lines the inside of soup cans. These chemicals and others find their way into sewage and enter the rivers and lakes.
