In the aftermath of deadly floods in Central Texas, a bizarre theory emerged on social media: This was no act of God or natural disaster—it was man-made.“We must end the dangerous and deadly practice of weather modification and geoengineering,” declared Congresswoman Marjorie Taylor Greene, a Republican from Georgia, on X. She was joining other online voices—many from the political far right—in blaming last week’s tragic events on cloud seeding, a technology that’s been used in Texas for decades. The science behind it dates back even further. To combat drought, planes take to the sky to release silver iodide particles into rain clouds to increase precipitation.Texas Monthly spoke with Jonathan Jennings, formerly the operational meteorologist of the West Texas Weather Modification Association and a former president…