Last week, representatives of the U.S. Environmental Protection Agency, International Boundary and Water Commission, and other federal offices gathered in Coronado to address one of the most pressing environmental issues in our region — solutions to the Tijuana sewage problem and the resulting contamination that regularly inundates San Diego County beaches. Since early 2018, the city of Coronado has played a significant role in advocating for funding for water quality improvement projects in the border zone, including Tijuana and points south.