1. Water: The United States has the world's fourth largest freshwater supply, with over 2.5 billion acre-feet of water. This water is used for drinking, irrigation, and industry.

2. Oil: The United States is the world's third largest oil producer, after Russia and Saudi Arabia. In 2021, the United States produced over 10.9 million barrels of oil per day.

3. Natural gas: The United States is the world's second largest natural gas producer, after Russia. In 2021, the United States produced over 32 trillion cubic feet of natural gas.