The article discusses the growing interest in underground thermal energy networks, specifically geothermal energy systems, as a sustainable method for heating and cooling buildings. These systems utilize the stable underground temperatures to efficiently manage building climate control, reducing reliance on fossil fuels and decreasing energy costs. The U.S. is seeing increased implementation of these systems, driven by both environmental sustainability goals and potential economic benefits. Projects like the one in Whisper Valley, Texas, demonstrate significant energy savings and quieter living environments, enticing more homeowners and developers to adopt this technology. With federal and state incentives and a growing recognition of their benefits, thermal energy networks are poised to become a more common solution in the U.S. for sustainable development.

https://www.wsj.com/business/energy-oil/thermal-energy-climate-friendly-might-have-moment-de5e0559