Lee Zeldin recognized Mexico's willingness to cooperate with the U.S. to clean up sewage in the Tijuana River, but had some blunt words for the Mexican government.

The Environmental Protection Agency (EPA) chief on Tuesday demanded that Mexico put an end to the unfettered flow of raw sewage from the Tijuana region into Southern California. “Mexico needs to fulfill its part in cleaning up the contamination that they caused — their people caused,

The Trump administration's EPA chief got a firsthand look at the Tijuana River sewage crisis on Earth Day and expressed optimism about working with Mexico to solve the public health crisis. Why it matters: Millions of gallons of untreated sewage from the border flows into the Pacific Ocean daily,