Nowadays, geoengineering typically refers to solar radiation modification but sometimes still includes carbon dioxide removal.
What this not-so-smart member of Congress is talking about is weather modification. But if you're in a draught, cloud seeding ain't gonna create moisture out of thin air.
@davidho there is an even deeper problem in saying THEY know how to do it. If something is discovered then everybody CAN know it. She is trying to create a narrative where scientific elites are hiding the knowledge from the people.