Era of the Holy Tree

The planet's source of life is polluted. Accompanied by earthquakes, thunderstorms, scorching heat, ice invasion, and wind erosion, the Holy Tree descended on the planet with an unstoppable force. After a disaster comes a new beginning. Psychic armor and space starships began to be used on a large scale, and humans, freed from the shackles of iron and fire, began to step into the universe. However, this is an environmental novel about planting trees all over the world.