[...] The Delta Program undergoes a major review every six years, with the latest assessment due in September. Ensuring sufficient funding remains a top priority. Currently, the Netherlands invests about 1% of its gross domestic product in water defense, but “we need to double our investment,” Verdaas said. In 2026, the Delta Fund will allocate €1.9 billion ($2.2 billion). The total program cost is projected at €38 billion ($43.7 billion) for 2015–2050. “We are also experimenting,” Verdaas added.