A major ecological disaster is threatening a rugged stretch stretch of Spain's northwestern coastline, and the people of La Coruna and the neighboring communities have no one to blame but themselves. A millionton mountain of garbage, the area's accumulated household trash of more than two decades, iscollapsing in a landslide that some locals say thet had predicted forbyears. On September 10, the advancing trash swamped one of the villages from which it emanated,killing a resident. Now it threatens to pollute the sea that provides the livelihood of many people in the area.