Colorado
If you want to modify the weather in Colorado, you’ll need a permit for it. Yes, you read that right. In some states, it’s legal to perform activities that create changes in the composition or behavior of the atmosphere.
Not only is weather modification possible, but it’s a lucrative business. Ski resorts in the state sometimes pay private companies to burn silver iodide on the slopes. What this does is carry the material into the clouds and stimulates precipitation. This creates a fresh sheet of powder on the slopes.
Washington
Almost all the doors to public buildings in Washington have to open outwardly. Anyone who violates this law will face a misdemeanor charge. However, there is an explanation for this one: to avoid any congestion during emergencies such as fires.