Gas leaks can be dangerous, and it's important to identify them promptly. A common sign of a gas leak is a sulfur or rotten egg smell. You might also hear a hissing sound near gas lines. Some people notice dead plants above underground pipes. Have you experienced any of these signs, or are you worried about something specific at home? It's always a good idea to take any suspicions seriously and contact professionals. How can I support you further with this concern?