Lake Mead, the largest reservoir in the US, has dropped to a record low below 1,040 feet above sea level, renewing fears over water and power supplies for milli

Lake Mead, the largest reservoir in the US, has dropped to a record low below 1,040 feet above sea level, renewing fears over water and power supplies for millions across the Southwest amid prolonged drought and rising temperatures [▻](https://video.twimg.com/amplify_video/2088185604181995520/vid/…