One regulation that has been globally was the water advisory and limitation lately in California. This regulation have helped the California drought especially the south. Since there have water contamination and big bodies of water have dried up like lakes and rivers. With the water being limited used, it has helped with farms and being able to the residents to drink water. The purpose of the advisory and limitations in the first place is to save as much as possible for useful things. This is because eating, growing food, and for big states is mainly these things are more needed or valued compared to taking long baths/shower or watering the lawn. The regulation has changed over time because it started to rain a little more in California overtime. More water have been saved instead of water into area for the things needed in life instead of watering random areas that is not much has happen or wasting water. This have been productive because not only did California survived, it showed how much water the residence have used. National politics around environmental issues have been known for a while because climate change has affected many parts of America. However, some politicians have denied the fact that climate change doesn’t exist in America.