President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

a Hindu religious festival which includes a sacred pilgrimage to the river. Tests showed that biochemical oxygen demand (a measure of organic pollution) was double the acceptable level set by ...

floating snake-like divider across the United States' portion of the Tijuana River, which will collect garbage as part of ongoing efforts to reduce pollution in the South Bay. The floating trash ...