The Panama Canal, a vital artery for global shipping that handles about 6% of the world's maritime trade, is encountering a growing challenge: the availability of fresh water needed to operate its locks. The locks, which use large amounts of water to raise and lower ships, depend on rainfall in the region. According to the Panama Meteorological and Hydrological Institute (Imhpa), reported by La Estrella de Panamá, the Pacific region has seen a 60% drop in rainfall this year due to the El Niño weather pattern. Additionally, rainfall has been highly unpredictable across Panama since the start of the rainy season in May. El Niño, a natural climate phenomenon characterized by warmer-than-average sea surface temperatures in the central and eastern Pacific, is not directly linked to human-caused climate change. However, its strong return this year underscores the growing sensitivity of the Panama Canal—a crucial link between the Pacific and Atlantic oceans—to climate variability. In recent decades, dry seasons in the region have been extending, directly threatening the water supply that keeps the canal operational. To address this issue, the Panama Canal Authority (ACP), the government body responsible for managing the canal, has announced plans to begin building the Río Indio reservoir lake in 2028. This project has been in the works since the 1930s, initially proposed to meet future water demands. The reservoir would cover an area of 4,600 hectares and involve damming the Indio River. If completed, it would significantly increase the canal’s water storage capacity, helping to ensure its continued operation even during periods of drought. The initiative reflects a broader effort to adapt to changing climate conditions and secure the canal’s long-term functionality. As global trade continues to rely on this strategic waterway, ensuring a stable water supply is critical to maintaining its role in international commerce.