Ice Age: Survival

As the world enters the new century, something called "steam core" has been developed by major powers. The "steam core" consumes coal resources and can emit a large amount of heat. Such a technology that generates huge energy has promoted the development of high-tech such as ocean-going ships, giant trains, and energy towers and liberated a large amount of productivity. But the excessive abuse of coal has also brought about a series of disasters. How should we as civilians survive?