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This year has already seen many heat records broken as the world grows hotter with more and more greenhouse gases added to the atmosphere. For many places, the highest temperatures since record-keeping began have come in just the last 10 to 15 years. That's the clearest possible sign that humans are altering the climate, said Randall Cerveny, a professor at Arizona State University. Cerveny said temperatures in India, the Middle East, and the U.S. Southwest have been exceptionally hot in 2024. Las Vegas recorded 120 degrees Fahrenheit (48.0...
Some homeowners looking to switch out their heating and cooling systems are turning to home geothermal — also known as ground source — heat pumps. It's a technology that relies on a simple physical fact: Dig several feet below Earth's surface, in the coldest winter or the hottest summer, and the temperature will be around 55 degrees. Geothermal takes advantage of that constant temperature by pushing water with some antifreeze through a loop of flexible pipe that runs deep underground. The water gets circulated by a heat pump system, usu...
