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.

EPA Administrator Lee Zeldin said the countries are negotiating specific details to be released in the coming weeks.

EPA Administrator Lee Zeldin visited the polluted Tijuana River on the U.S.-Mexico border, calling for a '100% solution' to clean up raw sewage that has fouled the waterway for years.